Stirling Engine Kit Model Mini Hot Air Miniature Steam Gas Engine External Combustion Engine Price_$30-$50 📌 Missing Parts Guarantee: If

📌 Missing Parts Guarantee: If any parts are missing or damaged

Note: The steam engine cannot touch the boiler part by hand during the rotation process

Aluminum Alloy Power Piston ×1

overall model shape refined

Stirling Engine Kit Model Mini Hot Air Miniature Steam Gas Engine External Combustion Engine Price_$30-$50 📌 Missing Parts Guarantee: IfMini Hot Air Stirling Engine Model Miniature Steam Gas Engine External Combustion Engine Features: . 100% brand new and high quality . Made of precision, the whole is made of high grade materials, and the heating tube is quartz glass; . Not only good heat dissipation, but also easy to observe the dynamics of the heating piston, resulting in a better look and feel . The base is made of 8mm thick aluminum plate, sandblasting oxidation process, looks