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, StirlingkitAluminium Alloy Engine Model Quartz Heating Tube Educational Motor Kit $110.89 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, StirlingkitMini Horizontal Type External Combustion Engine Model $29.99