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, StirlingkitWater Cooled Four Stroke Methanol Model Engine FS-S100 $726.99 Hobby, StirlingkitEngine Model Six Cylinders Gatling Metal Rotating Engine Kit $175.99 Hobby, StirlingkitLow Temperature Engine Kit Big Flywheel Engine Model $72.71 Hobby, StirlingkitSingle Cylinder Model Kit External Combustion Engine $32.99