Cheap gift toy, Buy Quality gift reader directly from China toy family Suppliers: Hot New Upgrade Air Stirling Engine Model Generator Model Educational Science Toy Gift For Kid Children
Description:Item:SIze: 165*90*90mmFlywheel: 60mm(Diameter)Driving Wheel: 25mm(Diameter)Power cylinder bore: 16mmPiston stroke: 15mmWeight: 505gGenerator voltage: 5VMaterial: aluminum alloyLinkage: stainless steelAge: +8Package Inclued:1 × Model Generator