Mini Hot Air Motor Model $29.99 View Product Categories: Hobby, Stirlingkit Description Description Stirling Engine Kit Mini Hot Air Motor Model Educational STEM Toy Science Experiment Kit Related products Hobby, StirlingkitMini Pure Copper Steam Engine Model Toy Creative Gift Set $489.99 Hobby, StirlingkitHoyer Motor High Speed Brushless Hall Electric Machine Engine Model Kit $139.99 Hobby, StirlingkitAluminium Alloy Engine Model Quartz Heating Tube Educational Motor Kit $110.89 Hobby, StirlingkitSingle Cylinder Car Model Kit External Combustion Stirling Engine Model Toy $70.99