Mini Pure Copper Single Cylinder Steam Engine Gift Set $89.99 View Product Categories: Hobby, Stirlingkit Description Description Mini Pure Copper Single Cylinder Steam Engine Model Toy Creative Gift Set Related products Hobby, StirlingkitHigh Speed Hoyer Electric Motor Engine Model Kit $53.99 Hobby, StirlingkitFour Stroke Methanol Engine Model Kit FS-S100 $257.99 Hobby, StirlingkitHoyer Motor High Speed Brushless Hall Electric Machine Engine Model Kit $139.99 Hobby, StirlingkitLow Temperature Engine Kit Big Flywheel Engine Model $72.71