Description This is the steam dynamics model of the DIY engine in Stryn and has the ability to exercise This model is difficult to install This is a way to train your child s abilities and intelligence Installation requires patience patience and patience Specification Product Name Stirling Engine Model KitMaterial MetalPackage Size 215mm L x110mm W x150mm H Package Weight 750gNote 1 95 alcohol anhydrous no oil Prohibition of use kerosene gasoline oil wine candles 2 Rotate the flywheel to help start and then start 3 Please note that if the belt is too tight it will affect the rotation of the engine 4 The engine does not need to add water and the dry combustion air expands to generate power Package included 1x Stirling Engine Model Kit