Product Description Van de Graff Generator, Hand Driven completely hand operated, mounted on a base. A metal sphere surrounds the upper pulley assembly and charge accumulates on the sphere which is supported on an insulated transparent plastic column that also supports the pulley assembly at its upper end. The charge builds up until electrical breakdown of air surrounding the sphere occurs. Supplied with discharging sphere, metalized spheres, Faraday’s pail, head of hair, point discharger, electrical whirl and neon bulb.