Specification Item Name Stirling EngineColor As ShownMaterial MetalProduct Dimensions 20 x 9 x 14cmProduct Weight 700gPackage Dimensions 23 x 13 x 16cmPackage Weight 950gPacking BoxFeatures Retro Steam Engine The vertical structure of the steam engine the cylinder and the valve mechanism are easy to observe the transparent cylinder design the piston movement can be clearly seen The large size flywheel design enables faster start up and smoother operation Simulated air jet sound Safety Design Spherical boiler the steam pressure is evenly released The boiler is equipped with a mini safety valve a splash proof exhaust tube an all brass alcohol lamp and a fire extinguishing gland to ensure safe use Excellent Manufacturing Process The boiler is made of all metal materials which is safe and strong and has a short start up time The retro appearance evokes the feelings of the steam age The first class processing technology brings excellent performance and high end mechanical model experience It is a handicraft with both texture and beauty Instructions for Use Place the model on the desktop unscrew the boiler valve and add water light the alcohol lamp heat the boiler heat the boiler water to boiling point turn the steam engine flywheel by hand to help start and the machine can run Note The water in the boiler can only be added up to 2 3 of the capacity The machine is forbidden to dry without water It is forbidden to touch the heating part of the mach