{"title":"Science \u0026 Discovery Toys","description":null,"products":[{"product_id":"solar-system-model-assembly-kit-dm405-aluminum-alloy-5v-nikolatoy","title":"Solar System Model Assembly Kit DM405 Aluminum Alloy 5V NIKOLATOY","description":"\u003cp\u003eThe NIKOLATOY Model DM405 is a Solar System Model Assembly Kit made from Aluminum Alloy with a 5V external power supply. This kit is designed for DIY enthusiasts and educational purposes.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaterial: Aluminum Alloy + Stainless Steel\u003c\/li\u003e\n\u003cli\u003eModel: DM405\u003c\/li\u003e\n\u003cli\u003eVoltage: 5V\u003c\/li\u003e\n\u003cli\u003eNumber of Parts: 600+\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFeatures realistic planetary gears with eight precision gears simulating planetary orbits. The anodized aluminum alloy build ensures exquisite craftsmanship and vibrant appearance. Over 600 unique pieces enhance creativity and hands-on skills. It serves as a scientific educational tool engaging users with astronomy knowledge. The kit is also an elegant display piece for home, office, or classroom decor. Note: This product is a kit, not a finished product, and needs to be assembled by yourself.\u003c\/p\u003e\u003cp\u003eWhat's included: 1X USB Charging Cable.\u003c\/p\u003e","brand":"IvySource","offers":[{"title":"Gold","offer_id":49119879790817,"sku":"BG-2051055-GOLD","price":433.99,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/9317\/8849\/files\/044ba061-e27f-4406-8ce2-da34ae25f13b.jpg?v=1789396325"},{"product_id":"16-cylinder-swash-plate-stirling-engine-model-quartz-glass","title":"16 Cylinder Swash Plate Stirling Engine Model Quartz Glass","description":"\u003cp\u003eThe Model Quartz is a 16 Cylinder Swash Plate Stirling Engine Model made of Glass. It is designed for science enthusiasts interested in technology and hands-on learning.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaterial: Glass\u003c\/li\u003e\n\u003cli\u003eModel: Model Quartz\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eExplore technology and puzzles with this model. Free Returns and Free Shipping are included. What's included: Model Quartz.\u003c\/p\u003e","brand":"IvySource","offers":[{"title":"Default Title","offer_id":49119887098081,"sku":"BG-2028112","price":246.99,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/9317\/8849\/files\/a7032f07-ae81-4094-ba5c-e752e444eb1c.jpg?v=1789396331"},{"product_id":"lsx454-v8-engine-model-diy-assembly-kit-487pcs-transparent","title":"LSX454 V8 Engine Model DIY Assembly Kit 487PCS Transparent","description":"\u003cp\u003eThis is a DIY assembly kit for the LSX454 V8 Engine Model, designed for display purposes only. It includes 487PCS and is made of iron with a transparent color.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaterial: iron\u003c\/li\u003e\n\u003cli\u003eCount: 487PCS\u003c\/li\u003e\n\u003cli\u003eModel: Model DIY\u003c\/li\u003e\n\u003cli\u003eColor: Transparent\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFeatures rotating piston cylinders, transparent cylinder head, valvetrain, turbo exhaust manifold, and crankshaft. It comes with a large electric motor and a building instruction booklet.\u003c\/p\u003e\u003cp\u003eWhat's included: 1x large electric motor and 1x building instruction booklet.\u003c\/p\u003e","brand":"IvySource","offers":[{"title":"Silver","offer_id":49119906595041,"sku":"BG-2036382-SILVER","price":28.99,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/9317\/8849\/files\/7fc3f91b-cb35-4fc8-82a8-d0c1d5555031.jpg?v=1789396345"},{"product_id":"okmo-b01-engine-ignition-module-cdi-or-mechanical-type-a-b","title":"OKMO B01 Engine Ignition Module - CDI or Mechanical Type A\/B","description":"\u003cp\u003eIgnition module for OKMO B01 3.6CC Ball Top Monitor engine. This part is an original component for the specified model.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eType A: CDI Dedicated Ignition\u003c\/li\u003e\n\u003cli\u003eType B: Mechanical Ignition Device\u003c\/li\u003e\n\u003cli\u003eApplication: OKMO B01 3.6CC Ball Top Monitor Hit and Miss Vertical Water-cooled 4-Stroke Engine\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eChoose between CDI Dedicated Ignition or Mechanical Ignition Device. What's included: 1x CDI Dedicated Ignition OR 1x Mechanical Ignition Device.\u003c\/p\u003e","brand":"IvySource","offers":[{"title":"Default Title","offer_id":49119942836449,"sku":"BG-2049104","price":21.9,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/9317\/8849\/files\/3230170f-c293-4f8f-9529-1f016ef815a0.png?v=1789396367"},{"product_id":"iron-man-heart-reactor-wireless-charger-15w-5v-iron-material","title":"Iron Man Heart Reactor Wireless Charger 15W 5V Iron Material","description":"\u003cp\u003eThe Iron Man Heart Reactor is a wireless charging device designed for fans of the Iron Man reactor. It features a 15W output at 5V voltage and is made from Iron material.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDimensions: 164 × 164 × 154 mm\u003c\/li\u003e\n\u003cli\u003eMaterial: Iron\u003c\/li\u003e\n\u003cli\u003eVoltage: 5V\u003c\/li\u003e\n\u003cli\u003ePower: 15W\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFeatures include wireless charging coil induction, PD protocol 15W wireless fast charging, and an engraved metal CNC alloy decoration. It also has a CNC aluminium alloy base bracket with an anodized metal wire drawing process. The device triggers exclusive sound effects when powered on and has automatic sensing, lifting, and magnetic charging capabilities. Intelligent temperature control and embedded LED atmosphere lighting are also included. It comes in an exquisite gift box packaging.\u003c\/p\u003e","brand":"IvySource","offers":[{"title":"Default Title","offer_id":49119948144865,"sku":"BG-2051116","price":76.99,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/9317\/8849\/files\/517d61d3-1eac-4776-bb2d-b6b70026253c.jpg?v=1789396371"},{"product_id":"okmo-green-m17-engine-cylinder-head-and-crankshaft","title":"OKMO Green M17 Engine Cylinder Head and Crankshaft","description":"\u003cp\u003eThis is an Original Part for the OKMO Green M17 1.6cc Microcosm Hit and Miss Engine. It includes a Cylinder Head or Crankshaft.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eColor: Green\u003c\/li\u003e\n\u003cli\u003eThread: M17\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eApplication: Original Part for OKMO Green M17 1.6cc Microcosm Hit and Miss Engine.\u003c\/p\u003e\u003cp\u003ePackage Included: 1x Cylinder Head OR 1x Crankshaft.\u003c\/p\u003e","brand":"IvySource","offers":[{"title":"Default Title","offer_id":49119948832993,"sku":"BG-2049111","price":22.99,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/9317\/8849\/files\/1efc082c-6848-4e76-8d70-a627a2309ea8.jpg?v=1789396371"},{"product_id":"v12-engine-metal-model-kit-red-model-full-teching","title":"V12 Engine Metal Model Kit Red Model Full TECHING","description":"\u003cp\u003eThis V12 engine metal model kit is designed for enthusiasts, featuring the Model Full in Red. It weighs 8000g and is made from Stainless steel.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaterial: Stainless steel\u003c\/li\u003e\n\u003cli\u003eWeight: 8000g\u003c\/li\u003e\n\u003cli\u003eColor: Red\u003c\/li\u003e\n\u003cli\u003eModel: Model Full\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCharacterized by a 12-cylinder V-layout and overhead valve cam control, this model replicates the industrial masterpiece found in top-tier super cars. Assembly difficulty is rated ★★★★★ and takes about 4 hours according to the instructions. What's included: 1 x V12 Engine Metal Model Kit.\u003c\/p\u003e","brand":"IvySource","offers":[{"title":"Black","offer_id":49119975604449,"sku":"BG-2049155-BLACK","price":948.99,"currency_code":"HKD","in_stock":true},{"title":"Red","offer_id":49119975637217,"sku":"BG-2049155-RED","price":1.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/9317\/8849\/files\/4458532d-0b4a-4b04-a7db-ac4a6cf7df19.jpg?v=1789396390"},{"product_id":"v12-engine-model-brick-assembly-kit-3472pcs-abs-model-3472","title":"V12 Engine Model Brick Assembly Kit 3472pcs ABS Model 3472","description":"\u003cp\u003eThis V12 Engine Model Brick Assembly Kit is designed for ages 14+ and includes 3472pcs. It is a detailed copy of a V12 engine with the model number Model 3472.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaterial: ABS\u003c\/li\u003e\n\u003cli\u003eCount: 3472pcs\u003c\/li\u003e\n\u003cli\u003eModel: Model 3472\u003c\/li\u003e\n\u003cli\u003eDimensions: 69.1x31.8x24.7cm\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFeatures an electrically-driven design for realistic rotation and gear functions. The kit incorporates ABS material for safety and structural integrity. It includes gear systems for variable speeds and interactive functionality.\u003c\/p\u003e\u003cp\u003eWhat's included: 1 x L Motor, 1 x Battery Box.\u003c\/p\u003e","brand":"IvySource","offers":[{"title":"Red","offer_id":49119982125281,"sku":"BG-2039234-RED","price":161.67,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/9317\/8849\/files\/1ee196bc-f617-49c8-afaf-263e9b2fbd66_dc20142b-6c00-462d-ba75-5fcb251dbe76.jpg?v=1789396395"},{"product_id":"inline-4-cylinder-l4-gasoline-engine-model-brick-assembly-kit-1787pcs-abs","title":"Inline 4-cylinder L4 Gasoline Engine Model Brick Assembly Kit 1787pcs ABS","description":"\u003cp\u003eModel Building kit for age 14+, featuring an Inline 4-cylinder L4 Gasoline Engine model with 1787pcs ABS blocks.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDimensions: 23.4x20x32.6CM\u003c\/li\u003e\n\u003cli\u003eWeight: 4 G\u003c\/li\u003e\n\u003cli\u003eMaterial: ABS\u003c\/li\u003e\n\u003cli\u003eCount: 1787pcs\u003c\/li\u003e\n\u003cli\u003eModel: Model Building\u003c\/li\u003e\n\u003cli\u003eVoltage: 9V\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eRealistic engine copy with 1:1 scale design mimicking internal mechanics. Includes XL Motor and battery box for simulated motion. STEM learning tool enhancing engineering skills and creativity.\u003c\/p\u003e\u003cp\u003eWhat's included: 1 x XL Motor, 1 x 9V Battery Box.\u003c\/p\u003e","brand":"IvySource","offers":[{"title":"Silver","offer_id":49119984386273,"sku":"BG-2039238-SILVER","price":55.99,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/9317\/8849\/files\/500f5e74-681d-42a5-8ba2-9f4adaf44ba1.jpg?v=1789396397"},{"product_id":"motorised-bug-hypercar-w16-engine-model-10201-abs-2024pcs","title":"Motorised Bug Hypercar W16 Engine Model 10201 ABS 2024pcs","description":"\u003cp\u003eThe Motorised Bug Hypercar W16 Engine Model 10201 is a brick assembly kit designed for ages 14+ with a particle count of 2024pcs.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaterial: ABS\u003c\/li\u003e\n\u003cli\u003eCount: 2024pcs\u003c\/li\u003e\n\u003cli\u003eDimensions: 35.7x23.2x21CM\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFeatures a high-fidelity W16 engine copy with rotating turbochargers and functional transmission design. It includes an electronically driven system with detailed gear control offering four speed de and motorized driving parts for interactive mechanical simulation. Compatible with multiple building systems for creative customization.\u003c\/p\u003e\u003cp\u003eWhat's included: 1 x L Motor, 1 x Battery Box.\u003c\/p\u003e","brand":"IvySource","offers":[{"title":"Silver","offer_id":49119986712801,"sku":"BG-2039244-SILVER","price":68.99,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/9317\/8849\/files\/01845313-9767-463d-a5ce-6e1b9411415b.jpg?v=1789396399"},{"product_id":"stirling-engine-model-kit-steam-power-physics-popular-science-small-production-invention-experiment-education-teaching-tool","title":"Stirling Engine Model Kit Steam Power Physics Popular Science Small Production Invention Experiment Education Teaching Tool","description":"\u003cdiv id=\"specification\"\u003e\u003c\/div\u003e\u003cdiv id=\"specification_end\"\u003e\u003c\/div\u003e\u003cp\u003e\u003cb\u003eDescription:\u003c\/b\u003e\u003cbr\u003eThis is the steam dynamics model of the DIY engine in Stryn and has the ability to exercise.\u003cbr\u003eThis model is difficult to install.\u003cbr\u003eThis is a way to train your child's abilities and intelligence. Installation requires patience, patience and patience.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eSpecification:\u003c\/b\u003e\u003cbr\u003eProduct Name:Stirling Engine Model Kit\u003cbr\u003eMaterial:Metal\u003cbr\u003ePackage Size:215mm(L)x110mm(W)x150mm(H)\u003cbr\u003ePackage Weight:750g\u003cbr\u003e\u003cbr\u003e\u003cb\u003eNote:\u003c\/b\u003e \u003cbr\u003e1.95% alcohol, anhydrous, no oil.Prohibition of use, kerosene, gasoline, oil, wine, candles.\u003cbr\u003e2. Rotate the flywheel to help start and then start.\u003cbr\u003e3. Please note that if the belt is too tight, it will affect the rotation of the engine.\u003cbr\u003e4.The engine does not need to add water, and the dry combustion air expands to generate power.\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackage included:\u003c\/b\u003e\u003cbr\u003e1x Stirling Engine Model Kit\u003c\/p\u003e","brand":"IvySource","offers":[{"title":"Default Title","offer_id":49120069058785,"sku":"BG-2025517","price":41.99,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/9317\/8849\/files\/463b9682-0329-42c0-8dea-117ed07031a2.png?v=1789396454"},{"product_id":"eachine-et8-horizontal-complete-gas-adjustable-speed-double-valve-engine-model-stem-upgrade-engine-toys","title":"Eachine ET8 Horizontal Complete Gas Adjustable Speed Double Valve Engine Model STEM Upgrade Engine Toys","description":"\u003cdiv id=\"specification\"\u003e\u003c\/div\u003e\u003cdiv id=\"specification_end\"\u003e\u003c\/div\u003e\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003e\u003cspan style=\"font-weight: bolder;\"\u003eDescription:\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003eBrand: Eachine\u003c\/span\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003eName:Eachine ET8 Horizontal Complete Gas Engine Model\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003eSize:180125*125MM\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003eFlywheel diameter 56mm, thickness 15mm\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003eDisplacement: 6CC.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003eCylinder diameter: 22MM\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003eItinerary 20MM\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003eWeight: 1610G\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003eMaterial: Brass And Stainless Steel\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 14px;\"\u003eThis is a miniature engine. It is made of brass, aluminum alloy and stainless steelWater-cooled cooling structure. A carburetor with adjustable speed is used. Thegnition device is powered by a 4. 5V power supply.\u003c\/span\u003e\u003cspan style=\"font-size: 14px;\"\u003e The most interesting feature is that the speed can be adjusted.\u003c\/span\u003e\u003c\/p\u003e\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 14px;\"\u003eIts starting method: manual start by external force.\u003c\/span\u003e\u003c\/p\u003e\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 14px;\"\u003eNote: We will test and package each engine after it works normally. Its carburetor isdebugged to the best working position. So it is not recommended to make largeadjustments!\u003c\/span\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003e\u003cspan style=\"font-weight: bolder;\"\u003eFeatures:\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cb\u003e\u003cspan style=\"font-size: 14px;\"\u003eEngine startup steps:\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e1.Check the wiring of the engine from the board, connect the fuel tank pipeline, andinstall three No 5 batteries( 4. 5v).\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e2. Add water to the engine water tank. Use gasoline(95#)to fill the fuel tank. After thefilling is completed, turn the flywheel clockwise on the right side of the engine formany turns. Its function can make the mixed fuel fully enter the cylinder. Make surethe fuel pipe No air can be generated.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e3. Turn on the power switch and quickly rotate the flywheel clockwise on the right sideof the engine to start the engine.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cb\u003e\u003cspan style=\"font-size: 14px;\"\u003ePrecautions:\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e1. If the ignition device is normal and the cylinder compression is normal, if themachine cannot start normally, it is very likely that the carburetor oil needle needs tobe adjusted.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e2. After tightening the main oil needle on the carburetor, loosen 1\/4 turn and start theflywheel, so that the mixing ratio of gasoline and air can reach the normal workingmixing ratio.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e3. When the machine is stopped, the power switch should be turned off. The cooling.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003e\u003cspan style=\"font-weight: bolder;\"\u003eNote:\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e1.Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e2.Please allow little differs due to manual measurement.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e3.Kids should be accompanied by adult.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003e\u003cspan style=\"font-weight: bolder;\"\u003ePackage Included:\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e1x Eachine ET8 Model\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e1x Engine Spare Parts  Start Device\u003c\/span\u003e\u003c\/p\u003e","brand":"IvySource","offers":[{"title":"Silver","offer_id":49120148553953,"sku":"BG-1789782-SILVER","price":285.99,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/9317\/8849\/files\/3611d65d-2bdd-472c-aa8b-785631b3816b.jpg?v=1789396501"},{"product_id":"m16c-air-cooled-mini-gasoline-engine-model-brass-4-5v","title":"M16C Air-cooled Mini Gasoline Engine Model Brass 4.5V","description":"\u003cp\u003eThis is a miniature engine model with an air-cooled cooling structure and adjustable speed carburetor, designed for model enthusiasts. The Model M16C features a unique and exquisite shape with a wooden base.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDimensions: 200x120x138mm\u003c\/li\u003e\n\u003cli\u003eLength: 8mL\u003c\/li\u003e\n\u003cli\u003eWeight: 1400g\u003c\/li\u003e\n\u003cli\u003eMaterial: brass\u003c\/li\u003e\n\u003cli\u003eVoltage: 4.5V\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eKey features include an impeller pump and a retro gasoline engine design. It operates with gasoline or aviation kerosene and starts via external force or hand pull. The model includes a fuel tank capacity of 8mL and uses a 4.5V power supply with 3 x AA batteries (not included).\u003c\/p\u003e","brand":"IvySource","offers":[{"title":"Gold","offer_id":49120177815777,"sku":"BG-2034184-GOLD","price":342.99,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/9317\/8849\/files\/b23410da-0b24-4093-bbfb-869fbe74e9ae_f73ac1ad-e581-4dd4-93d2-6ae8553cbe4e.jpg?v=1789396517"},{"product_id":"m12b-1-6cc-mini-water-cooled-single-cylinder-4-stroke-gasoline-engine-brass-model","title":"M12B 1.6cc Mini Water-cooled Single-cylinder 4-stroke Gasoline Engine Brass Model","description":"\u003cp\u003eThis mini gasoline engine is crafted from brass and stainless steel, designed for model enthusiasts and collectors. The Model with features a water-cooled cooling structure and a wooden base for stable placement.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDimensions: 150 x 120 x 127mm\u003c\/li\u003e\n\u003cli\u003eWeight: 1400g\u003c\/li\u003e\n\u003cli\u003eMaterial: Brass\u003c\/li\u003e\n\u003cli\u003eVoltage: 4.5V\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eKey features include a unique shape, stable structure, and easy operation. It can be used as a desktop model, a collectible item, or a personalized gift for model lovers. The engine uses 95# gasoline and requires an AA battery (4.5V) for operation.\u003c\/p\u003e","brand":"IvySource","offers":[{"title":"Gold","offer_id":49120180404449,"sku":"BG-2034185-GOLD","price":274.99,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/9317\/8849\/files\/95198e45-6c16-4b33-95ae-0e80ecebed67_ce804191-49c6-4c17-b63f-7bbcf486016b.jpg?v=1789396518"},{"product_id":"model-aircraft-stirling-engine-diy-assembly-kit-steel","title":"Model Aircraft Stirling Engine DIY Assembly Kit Steel","description":"\u003cp\u003eMini Aircraft Model Stirling Engine is a DIY assembly kit made of steel. It is a customized model aircraft designed for enthusiasts.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaterial: steel\u003c\/li\u003e\n\u003cli\u003eModel: Model Aircraft\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAll accessories are made of steel, making it very hard. The kit is designed to look even more cool than the original. Due to shooting angle and lighting, there may be a color difference between the photo and the actual product. Please refer to the actual product for details.\u003c\/p\u003e\u003cp\u003eWhat's included: DIY Assembly Kit.\u003c\/p\u003e","brand":"IvySource","offers":[{"title":"Green","offer_id":49120196296929,"sku":"BG-2031612-GREEN","price":95.99,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/9317\/8849\/files\/8f2dc587-cc07-4c50-83a8-cf8614ac5563.jpg?v=1789396530"},{"product_id":"m16cf-stirling-engine-model-cnc-aluminum-educational-thermodynamics-model","title":"M16CF Stirling Engine Model CNC Aluminum Educational Thermodynamics Model","description":"\u003cp\u003eThe M16CF Stirling engine model is an educational tool for studying thermodynamics, designed for classroom demonstrations or personal research. It features a CNC machined aluminum alloy construction.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWeight: 4 g\u003c\/li\u003e\n\u003cli\u003eMaterial: Aluminum\u003c\/li\u003e\n\u003cli\u003eModel: Model CNC\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFeatures a twin flywheel design with symmetric positioning and hollow-out flower-shaped parts. Made with aircraft aluminum alloy, stainless steel, brass, and bearing steel for wear resistance and smooth interaction. Includes 4 anodized aluminum alloy feet and 4 golden fasteners for visual appeal. Suitable for teaching basic principles of the Stirling engine and as a stress relief gadget for office use.\u003c\/p\u003e","brand":"IvySource","offers":[{"title":"Silver","offer_id":49120204259553,"sku":"BG-2031619-SILVER","price":99.99,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/9317\/8849\/files\/8bf8cdbf-cb56-45fb-a8b3-837cee4857f7_b08bcdff-a457-4141-90dd-43fae5a91703.jpg?v=1789396536"},{"product_id":"t56-a-15-turboprop-engine-model-diy-kit-blue-model-from","title":"T56-A-15 turboprop engine model DIY kit Blue Model from","description":"\u003cp\u003eThis is a DIY kit for the T56-A-15 turboprop engine model in Blue color from Model from. It is designed for model enthusiasts.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eModel: T56-A-15 turboprop engine model\u003c\/li\u003e\n\u003cli\u003eColor: Blue\u003c\/li\u003e\n\u003cli\u003eProduct Size: 74cm(L)*48cm(H)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFeatures a manual for assembly. The C-130 Hercules transport aircraft is equipped with four T56-A-15 turboprop engines, each with a power of 4590 horsepower. These engines are installed under the wings to provide powerful power support for the aircraft. The C-130 Hercules transport aircraft was developed by Lockheed Martin (formerly Lockheed Corporation) and has been in service for over 60 years since its maiden flight in 1954. It is used by more than 70 countries or regions worldwide, with a total production of over 2300 aircraft. The C-130 Hercules transport aircraft not only has extensive military applications, but also plays an important role in the civilian field. What's included: pieces that need to be assembled by yourself.\u003c\/p\u003e","brand":"IvySource","offers":[{"title":"Default Title","offer_id":49120209207521,"sku":"BG-2031623","price":335.99,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/9317\/8849\/files\/f7615715-6b9b-4b2d-aca2-1dd6b9958c4b_afab0fdd-c96b-4e52-8fca-8a93ec4e5547.jpg?v=1789396539"},{"product_id":"j-35a-fighter-jet-engine-model-model-creative","title":"J-35A fighter jet engine model Model Creative","description":"\u003cp\u003eThis is a J-35A fighter jet engine model made for model enthusiasts. It is based on the Model Creative model.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eProduct Prototype: J-35A fighter jet\u003c\/li\u003e\n\u003cli\u003eMaterial: PLA+\u003c\/li\u003e\n\u003cli\u003eColor: As Shown\u003c\/li\u003e\n\u003cli\u003ePower Supply: AA battery * 2 (Not included)\u003c\/li\u003e\n\u003cli\u003eProduct Size: 26 * 8 * 10cm\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt requires two AA batteries, which are not included and need to be purchased separately.\u003c\/p\u003e","brand":"IvySource","offers":[{"title":"Silver","offer_id":49120211599585,"sku":"BG-2031625-SILVER","price":61.99,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/9317\/8849\/files\/ce045e6b-095b-495a-a4c0-9ee86a6f832c.jpg?v=1789396541"},{"product_id":"model-brick-v8-engine-assembly-kit-535pcs-transparent-abs","title":"Model Brick V8 Engine Assembly Kit 535pcs Transparent ABS","description":"\u003cp\u003eThe Model Brick V8 Engine Assembly Kit is designed for model enthusiasts age 14+ and features a transparent design with 535pcs. This model is based on the V-type 8 Cylinder design.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaterial: ABS\u003c\/li\u003e\n\u003cli\u003eCount: 535pcs\u003c\/li\u003e\n\u003cli\u003eModel: Model Brick\u003c\/li\u003e\n\u003cli\u003eColor: Transparent\u003c\/li\u003e\n\u003cli\u003eDimensions: 19.3X12.8X12.9CM\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eElectrically powered with precise piston-driven motion and functional fan operation. The transparent design showcases internal mechanics like valve movements and piston alignments. It is an educational tool for STEM learning, focusing on engine operations and mechanical engineering concepts. The kit includes a richly detailed turbocharger and exhaust system.\u003c\/p\u003e\u003cp\u003eWhat's included: 1 x L Motor and 1 x Battery Box.\u003c\/p\u003e","brand":"IvySource","offers":[{"title":"Silver","offer_id":49120329564385,"sku":"BG-2037208-SILVER","price":25.99,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/9317\/8849\/files\/817368ae-da37-4928-bf0e-24c3d03fe53f.jpg?v=1789396616"},{"product_id":"stirling-engine-model-with-sh-03-1100g-copper-construction","title":"Stirling Engine Model with SH-03 - 1100g Copper Construction","description":"\u003cp\u003eThis Stirling engine model is designed for educational demonstration. It is a Model with SH-03 featuring a copper material construction.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWeight: 1100g\u003c\/li\u003e\n\u003cli\u003eMaterial: Copper\u003c\/li\u003e\n\u003cli\u003eCount: 3 PCS\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eKey features include an air valve made of a thin copper sheet. Note that the positions and angles of the main components have been adjusted and should not be disassembled. The copper sheet in the air valve may need replacement after a certain period of high-speed movement. What's included: Package sheets and air valve.\u003c\/p\u003e","brand":"IvySource","offers":[{"title":"Red","offer_id":49120334774497,"sku":"BG-2019859-RED","price":145.99,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/9317\/8849\/files\/70ca9fb9-dd3b-4325-b8a9-e2dfb92b0cc0.png?v=1789396619"},{"product_id":"model-m17b-hit-miss-engine-brass-material-4-5v-voltage-green-color","title":"Model M17B Hit \u0026 Miss Engine - Brass Material, 4.5V Voltage, Green Color","description":"\u003cp\u003eThis Model M17B Hit \u0026amp; Miss Engine is a mini-micro desktop model made of Brass material. It features a 4.5V voltage supply and is designed for mechanical enthusiasts.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDimensions: 15 x 12 x 9.5cm\u003c\/li\u003e\n\u003cli\u003eWeight: 1100g\u003c\/li\u003e\n\u003cli\u003eMaterial: Brass\u003c\/li\u003e\n\u003cli\u003eModel: Model M17B\u003c\/li\u003e\n\u003cli\u003eVoltage: 4.5V\u003c\/li\u003e\n\u003cli\u003eColor: Green\u003c\/li\u003e\n\u003cli\u003eThread: M17\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFeatures a flywheel speed-limiting device and a wooden base for convenient placement. The engine model has a unique \u0026amp; delicate shape and a firm \u0026amp; reliable structure design. It operates with an external force (electric drill) or manual start. Displacement is 1.6CC with a Bore of 13mm and Stroke of 12mm. What's included: 3 AA batteries (4.5V) are required but not included.\u003c\/p\u003e","brand":"IvySource","offers":[{"title":"Green","offer_id":49120339689697,"sku":"BG-2019861-GREEN","price":265.99,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/9317\/8849\/files\/93528a1a-0100-4e51-8474-4aaa05d1e8ac.jpg?v=1789396622"},{"product_id":"ignition-device-for-et1-etx-engine-model-package","title":"Ignition Device for ET1 ETX Engine Model Package","description":"\u003cp\u003eIgnition Device is designed for use with ET1, ETX Engine and Other Engine models. This Model Package includes essential components for installation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSuit For: ET1, ETX Engine and Other Engine\u003c\/li\u003e\n\u003cli\u003eModel Package Included: 1 X Ignition Device\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhat's included: 1 X Ignition Device in the Model Package.\u003c\/p\u003e","brand":"IvySource","offers":[{"title":"Black","offer_id":49120345522401,"sku":"BG-1573481-BLACK","price":28.99,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/9317\/8849\/files\/dd0713ea-32b3-44c6-9128-22026853a541.png?v=1789396626"},{"product_id":"hand-start-device-for-eachine-et1-etx-and-blue-hit-miss-gas-engine-eachine","title":"Hand Start Device for Eachine ET1, ETX and Blue Hit \u0026 Miss Gas Engine - Eachine","description":"\u003cp\u003eThis Hand Start Device is designed for Eachine Model Engine parts, specifically for Eachine ET1, ETX and the blue Hit \u0026amp; Miss Gas Engine. The starter wheel inner ring diameter is 8mm.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eModel: Model Engine\u003c\/li\u003e\n\u003cli\u003eColor: blue\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is suitable for Eachine ET1, ETX and the blue Hit \u0026amp; Miss Gas Engine (Product ID:1430588,1549664,1239802). The device features a starter wheel inner ring diameter of 8mm.\u003c\/p\u003e\u003cp\u003eWhat's included: 1 X Hand Start Device.\u003c\/p\u003e","brand":"IvySource","offers":[{"title":"Black","offer_id":49120348569825,"sku":"BG-1573482-BLACK","price":9.49,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/9317\/8849\/files\/4a7daa9b-b4eb-4fe9-9fe9-9f946a110b55.jpg?v=1789396627"},{"product_id":"mini-spark-plug-suit-for-et1-et5-et6-et7-et8-etx-1-4-32tpi","title":"Mini Spark Plug Suit For ET1 ET5 ET6 ET7 ET8 ETX 1\/4-32TPI","description":"\u003cp\u003eMini spark plug suit for ET1 ET5 ET6 ET7 ET8 ETX engines with 1\/4-32TPI engine type. This item weighs 4 G.\u003c\/p\u003e\u003cul\u003e\u003cli\u003eWeight: 4 G\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eDesigned for specific engine models. Package includes 1 X Mini Spark Plug.\u003c\/p\u003e","brand":"IvySource","offers":[{"title":"Default Title","offer_id":49120350011617,"sku":"BG-1573483","price":10.99,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/9317\/8849\/files\/87b23015-5873-4ee6-98f4-f1eadd3793a2.jpg?v=1789396628"},{"product_id":"brass-steam-whistle-model-accessories-jw-2a-for-wilesco-m6x0-75-thread","title":"Brass Steam Whistle Model Accessories JW-2A for Wilesco M6X0.75 Thread","description":"\u003cp\u003eBrass steam whistle model accessories JW-2A designed for Wilesco steam models with an M6X0.75 threaded connector.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWeight: 100g\u003c\/li\u003e\n\u003cli\u003eMaterial: Brass\u003c\/li\u003e\n\u003cli\u003eModel: Model Accessories\u003c\/li\u003e\n\u003cli\u003eThread: M6X0.75\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFeatures a 40 mm body length and 3.5 mm whistle body. Includes two stainless steel control bodies and a 1\/4\" X 40 TPI screw fitting. Specifically designed for Wilesco steam models.\u003c\/p\u003e\u003cp\u003eWhat's included: Boiler is M6X0.75 TPI threaded connector.\u003c\/p\u003e","brand":"IvySource","offers":[{"title":"Gold","offer_id":49120352862433,"sku":"BG-1573757-GOLD","price":27.99,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/9317\/8849\/files\/0f7afab1-57fa-4fa7-8252-75d5026778d2.jpg?v=1789396630"},{"product_id":"balance-robot-pro-infrared-array-visual-positioning-robot-model-toy","title":"Balance Robot Pro Infrared Array Visual Positioning Robot Model Toy","description":"\u003cp\u003eThe Balance Robot Pro is a visual positioning balancing robot designed for model toy enthusiasts. It features an infrared array for data collection and operates on a 5V power supply.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDimensions: 140×140×70mm\u003c\/li\u003e\n\u003cli\u003eWeight: 260g\u003c\/li\u003e\n\u003cli\u003eMaterial: ABS\u003c\/li\u003e\n\u003cli\u003eModel: Model Toy\u003c\/li\u003e\n\u003cli\u003eVoltage: 5V\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eKey features include real-time human-computer interaction and data feedback to enhance playability. The principle of this product uses an infrared matrix to collect data, which can be interfered by other light sources.\u003c\/p\u003e\u003cp\u003eWhat's included: 1 x Infrared Array Visual Positioning Balancing Robot.\u003c\/p\u003e","brand":"IvySource","offers":[{"title":"Black","offer_id":49120373178593,"sku":"BG-2053372-BLACK","price":119.99,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/9317\/8849\/files\/29469161-a3a2-4370-b036-203881a29d96.png?v=1789396645"},{"product_id":"steam-engine-model-steam-p5-automatic-boiler-pressure-regulator-102g","title":"Steam Engine Model Steam P5 Automatic Boiler Pressure Regulator 102g","description":"\u003cp\u003eSteam Engine P5 Automatic Boiler Pressure Regulator for External Combustion Engine Model Steam. 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Safe for children, no need to fire alcohol.\u003c\/p\u003e\u003cp\u003eWhat's included: One fully assembled Stirling engine model.\u003c\/p\u003e","brand":"IvySource","offers":[{"title":"Blue","offer_id":49120385761505,"sku":"BG-2031939-BLUE","price":20.99,"currency_code":"HKD","in_stock":true},{"title":"Red","offer_id":49120385794273,"sku":"BG-2031939-RED","price":20.99,"currency_code":"HKD","in_stock":true},{"title":"Silver","offer_id":49120385827041,"sku":"BG-2031939-SILVER","price":20.99,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/9317\/8849\/files\/54cc7d5d-91cb-4ee4-a298-d90601d02a44_371e12c0-f65e-4491-8d74-7acd440e8b32.png?v=1789396652"},{"product_id":"oil-injector-throttle-governor-linkage-rod-for-okmo-z01-b01-1110-b02-plastic","title":"Oil Injector Throttle Governor Linkage Rod for OKMO Z01 B01 1110 B02 Plastic","description":"\u003cp\u003eOil injector throttle governor linkage rod compatible with OKMO Z01 B01 1110 B02 throttle regulator gasoline engines. 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What's included: a model engine with water cooling capability.\u003c\/p\u003e","brand":"IvySource","offers":[{"title":"Green","offer_id":49120492650721,"sku":"BG-2023472-GREEN","price":357.99,"currency_code":"HKD","in_stock":true},{"title":"Red","offer_id":49120492683489,"sku":"BG-2023472-RED","price":357.99,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/9317\/8849\/files\/9831697f-14e6-45c2-a5fe-3e0ab90a81ec.jpg?v=1789396719"},{"product_id":"trent-900-turbofan-engine-model-science-model-3d-printing-pla-741g","title":"Trent 900 Turbofan Engine Model Science Model 3D Printing PLA+ 741g","description":"\u003cp\u003eThe Small Size Trent 900 Turbofan Engine Model is a detailed model made with 3D Printing PLA+ material, weighing 741g. 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