58 x 36 x 90mm Mini Brass Steam Engine Flyball Governor with 3mm Steam Tube PortFeatures:This item is a component that needs metric copper tubing, a boiler, and an engine.Superior Quality: The structure is somewhat intricate and composed of stainless steel and brass. Brass is used to make its bracke..

Stirling Engine Kit with Electric Generator Hot Air Physics Science Kits Educational Model ToysFeatures:The car has a stunning appearance and a realistic, commanding shape.Aluminium is the bottom plate, and zinc alloy is the body, both constructed from premium materials.Quartz glass, used to make th..