TECHING Small Size Turbofan Engine Model - DIY KIT（7In）

This Stirling engine model features a power generation design partnered with an LED light for a unique visual effect. Its well-crafted construction an

£52

This double cylinder Stirling model is a great choice for children’s study and research. The motor is powered by two cylinders, and it comes with a vo

£79

Enjoy the power of the Stirling engine with the Stirling engine music box. The engine's motion turns a series of cams which power the music box, produ

£67