L-Shape Double Cylinders $56.99 View Product Categories: Hobby, Stirlingkit Description Description Stirling Engine Model Kit L-Shape Double Cylinders with All-metal Base and Big Bulb Related products Hobby, StirlingkitFan Blade High Speed Hoyer Electric Unicoil Motor Physical Experiment Engine Model Kit $90.89 Hobby, StirlingkitHot Echo Type Single Cylinder Engine Model Quartz Heating Tube Engine Kit $59.99 Hobby, StirlingkitHot Echo Type Engine Model Double Cylinder Quartz Heating Tube Engine Kit $46.99 Hobby, StirlingkitSingle Cylinder Engine Model Kit Metal Alcohol Lamp Colorful LED Engine Motor $89.99