High Speed Hoyer Electric Motor Engine Model Kit $53.99 View Product Categories: Hobby, Stirlingkit Description Description High-speed Hoyer Electric Motor Engine Model Kit–Stirlingkit Related products Hobby, StirlingkitFan Blade High Speed Hoyer Electric Unicoil Motor Physical Experiment Engine Model Kit $90.89 Hobby, StirlingkitFour Stroke Methanol Engine Model Kit FS-S100 $257.99 Hobby, StirlingkitMetal Engine Model Kit Quartz Hot Cylinder Engine Motor $56.99 Hobby, StirlingkitAluminium Alloy Engine Model Quartz Heating Tube Educational Motor Kit $110.89