American Educational Electrostatic Kit

Electrostatic Kit Everything you'll need to explore static electricity. This economical set of materials is ideal for demonstrating static electricity. Each kit is supplied with. Three friction rods: one hard rubber, one hollow glass and one half ground glass. Four pads: one fur, one flannel, one silk, and one wool. 3 balloons and 10 feet of string. Instructions provided. 8-1/4' X 1' Size. 0.25lbs Weight.