Stirling Engine Kit DIY Hot Air Electricity Power Generator Model Education Toy Model:QX-SL-02-M 100% brand new and high

100% brand new and high quality

Glass Power cylinder & thermal cylinder which allow you to see the eng

the engine has sound waves and adjustable speed

The base of the product has a magnet that can hold the alcohol lamp and has extremely high stability

the machine base) At least 50 degrees to run)

Stirling Engine Kit DIY Hot Air Electricity Power Generator Model Education Toy Model:QX-SL-02-M 100% brand new and highStirling Engine Kit DIY Hot Air Electricity Power Generator Model Education Toy EXTREMLY WELL MADE The board is made of high quality steel with Fine grinding and surface spray paint; "V" type bracket symbolizes the "victory", use high grade zinc alloy standsturdy and fruiting; Flywheel, air exchange piston, power cylinder liner and hot cylinder liner is made of aluminum fine cars, fine milling, texture and beauty double combination; Axle joints