Single Cylinder Big Flywheel Physics Experiment $32.99 View Product Categories: Hobby, Stirlingkit Description Description Stirling Engine Kit DIY Single Cylinder Big Flywheel Physics Experiment Model Toys Related products Hobby, StirlingkitFan Blade High Speed Hoyer Electric Unicoil Motor Physical Experiment Engine Model Kit $90.89 Hobby, StirlingkitSingle Cylinder Model Kit External Combustion Engine $32.99 Hobby, StirlingkitHigh Speed Hoyer Electric Motor Engine Model Kit $53.99 Hobby, StirlingkitV-Shape Engine Scientific Experiments Model Education Toy $69.99