Kit for making 10 electrophorus (or is that electrophorii?) and for conducting electrostatics experiments: ten aluminum pie plates, 10 styrofoam cup handles, 10 Neon bulb static charge testers, 10 film-can capacitors, as well as 20 plastic strips and cloth for producing positive electrostatic charge and 20 plastic strips and cloth for producing negative electrostatic charges. You supply your own electroscope, if desired. Only sold in sets of 10. Master copy of complete directions© for use included. Developed for OPERATION PHYSICS and PTRA workshops. Note: Kit contains 10 sets of the items pictured