Mini Hot Air Steam Powered $18.99 View Product Categories: Hobby, Stirlingkit Description Description Stirling Engine Kit Model Mini Hot Air Steam Powered Toy Physics Science Experiment Related products Hobby, StirlingkitHigh Speed Hoyer Electric Motor Engine Model Kit $53.99 Hobby, StirlingkitHoyer Motor High Speed Brushless Hall Electric Machine Engine Model Kit $139.99 Hobby, StirlingkitV-Shape Engine Scientific Experiments Model Education Toy $69.99 Hobby, StirlingkitSingle Cylinder Engine Model Toy Kit $35.99