1LED: Engine model is equipped with multiple colored LED lights that are powered by the heat generated from the engine operation. A fascinating and imaginative toy that showcases the conversion of heat energy into electricity. 2Exquisite Craftsmanship: Built with attention to detail, model features a brushed aluminum alloy base plate, CNC processed frame with a sturdy sandblasted finish, aluminum alloy flywheel, and laser cut stainless steel connecting rods. 3The heating cylinder is made from thick custom glass for long lasting and pressure free heating. A perfect blend of aesthetics and quality. 4Simple Operation: Simply insert fuel, ignite it, and let it burn for 60120 seconds. Then, gently push the wheel, and witness its operation like a magician trick. 5Educational: Perfect for science enthusiasts and hobbyists, stirling engine model provides hands on experience in physics, thermodynamics, and energy conversion. 1 xStirlingEngineMotor 9 x Accessories