Exploratorium: Science Snacks: Charge and Carry

This site from The Exploratorium Museum is a full description of a short activity. An electrophorus plate and a Leyden jar are made. The electrophorus is charged by induction. Its charge is transferred to the Leyden jar by conduction several times until a large charge is stored in the jar. The charge is then discharged, creating a (very bearable) shock.