Mini Hot Air Model $38.99 View Product Categories: Hobby, Stirlingkit Description Description Mini Hot Air Stirling Engine Motor Model Educational Toy Kits Electricity Related products 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, StirlingkitMetal Engine Model Kit Quartz Hot Cylinder Engine Motor $56.99 Hobby, StirlingkitFour Stroke Gasoline Engine Model Kit FS-S100G $526.99