High Speed Hoyer Electric Motor Engine Model Kit$53.99 View Product Categories: Hobby, Stirlingkit Description DescriptionHigh-speed Hoyer Electric Motor Engine Model Kit–StirlingkitRelated products Hobby, StirlingkitFour Stroke Gasoline Engine Model Kit FS-S100G $526.99 Hobby, StirlingkitMetal Engine Model Kit Quartz Hot Cylinder Engine Motor $56.99 Hobby, StirlingkitLow Temperature Engine Kit Big Flywheel Engine Model $72.71 Hobby, StirlingkitSingle Cylinder Engine Model Kit Metal Alcohol Lamp Colorful LED Engine Motor $89.99