External Combustion Model $40.99 View Product Categories: Hobby, Stirlingkit Description Description Stirling Engine Model External Combustion Model Toy With LED Light Related products Hobby, StirlingkitWater Cooled Four Stroke Methanol Model Engine FS-S100 $726.99 Hobby, StirlingkitEngine Model Windmill Fan Cabin Shape Creative External Combustion Engine Kit $436.99 Hobby, StirlingkitMini Horizontal Type External Combustion Engine Model $29.99 Hobby, StirlingkitMini Pure Copper Steam Engine Model Toy Creative Gift Set $489.99