Metal External Combustion $55.99 View Product Categories: Hobby, Stirlingkit Description Description Stirling Engine Kit Model Metal External Combustion With Light Bulb Developmental Toy Related products Hobby, StirlingkitAluminium Alloy Engine Model Quartz Heating Tube Educational Motor Kit $110.89 Hobby, StirlingkitV-Shape Engine Scientific Experiments Model Education Toy $69.99 Hobby, Stirlingkit16 Cylinder Upgraded Engine Model Quartz Glass Hot Air Creative Motor Engine Generator $259.99 Hobby, StirlingkitWater Cooled Four Stroke Gasoline Model Engine Kit FS-S100G $781.99