Fire-absorbing Stirling Vacuum Engine Model with 3 PCS Thin Copper Sheets Air Valve Educational Toys - Red

• Model Engine: Stiring Engine

Notes:

1. The positions and angles of the main components have been adjusted and should not be disassembled.

2. The air valve is a thin copper sheet. After a certain period of high-speed up and down movement, the installation hole becomes larger and the copper sheet should be replaced in time.

Specifications:

Model: SH-03

Size: 18*12*13CM

Weight: 1100g

Fuel: anhydrous ethanol, 95% alcohol

Package included:

1x Engine Model

3x Thin Copper Sheets Air Valve