Premium Material: Metal + Wire Rod + Quartz + Plastic. The quartz and the gear are made of plastic. The base, bracket, flywheel, heating cylinder and connecting rod are all made of metal, which is sturdy and durable.
Novel Design; Creative Design that stirling model combine with car model, it keeps the science experimental and adds to the fun.
Superior Performance: By operating the engine, children would observe and know the operational process and more intuitive understanding of the operating principle of stirling engine, deepening interest in physics.
Great Educational Toy: classroom or laboratory experimental teaching aids, the best choice gift to students, teachers, children, friends and colleagues.
Easy to Operate: Fill the alcohol burner with your 95% alcohol (we recommend this fuel) and light it. Let the light burn the round ended cylinder for about 20 seconds, then give the wheel a gentle push.