Balance Hot Air Model $73.99 View Product Categories: Hobby, Stirlingkit Description Description Balance Stirling Engine Model Hot Air Stirling Engine Motor Model Educational Toy Related products Hobby, StirlingkitWater Cooled Four Stroke Gasoline Model Engine Kit FS-S100G $781.99 Hobby, StirlingkitSingle Cylinder Engine Model Kit Metal Alcohol Lamp Colorful LED Engine Motor $89.99 Hobby, StirlingkitHigh Speed Hoyer Electric Motor Engine Model Kit $53.99 Hobby, StirlingkitSingle Cylinder Car Model Kit External Combustion Stirling Engine Model Toy $70.99