Kits with water and air driven motor

(see large images below)

Kits with water and air driven motor. Building such as powerstation driven by water, hammer powered by water, mill or oil pump. Pump, for example air in the container and make electric current and use in a lamp. Learn about how air and water power can be converted into mechanical energy. 174 parts. From 8 years and older. Userguide in English.