Sell H Y Aibecy Mini Hot Air Stirling Engine Motor Model Electricity Generator Wooden Base Physics Science Educational Toy best price

✍H✔Y Aibecy Mini Hot Air Stirling Engine Motor Model Electricity Generator Wooden Base Physics Science Educational Toy Features: A Stirling engine is a heat engine that operates by cyclic compression and expansion of air or other gas (the working fluid) at different temperatures, such that there is a net conversion of heat energy to mechanical work. The electric engine generate enough power and light up the mini lamp after it reach a certain speed. Inspires students' curiosity, make teaching more intuitive and interesting. With high-quality wooden base, a fashion decor for home/ office. A great gift for all ages. Specifications: Color: Silver & Gold Material: Metal & Wood Item Size: 20 * 10 * 9cm/ 7.9 * 3.9 * 3.5in Item Weight: 474g/ 16.7oz Package Size: 21 * 13.5 * 11cm/ 8.3 * 5.3 * 4.3in Package Weight: 613g/ 1.4lb. Package List: 1 * Stirling Engine 1 * Alcohol Lamp (without liquid)