Balance Stirling Generator Education Model DIY Steam STEM Toy Price_《$30 the size is small and

the size is small and the horsepower is big

Product  Dimensions: 11

For Crowd: Suitable for people over 14 years old

front and rear crash plates and roll cage

especially children

Balance Stirling Generator Education Model DIY Steam STEM Toy Price_《$30 the size is small andBalance Stirling Generator Education Model DIY Steam STEM Toy Features: . Innovative design concept, rigorous production process. The Stirling principle is used to produce a small model of education and entertainment, which requires only a small alcohol lamp to be powerful and turn quickly. . The bottom plate is made of brushed aluminum alloy, and the flywheel is made of aluminum alloy. The connecting rod is made of stainless steel and the connecting