Physics Experiment KitThis Electrostatic generator is used in the experiment of electrostatics, in combination with other instruments for experiments about distribution on conductor surface, power line, electrostatic High PerformanceThis generator uses induction effect to produce static, when two electrophorus turn, the charged system, especially ball part on discharge fork equipped with insulated handle, will generate a lot different electric MaterialThis generator conductive layer of conductive plate is coated with metal material, sturdy and reliable FeatureIt can improved static generating performance and Can generate static even in humid climate and rainy day Widely ApplicatedThis generator can also be used for a series of experiments, such as electrostatic induction, spark discharge, point discharge and so on.Demonstrator physics experiment model for school, home Specification: Material: PP, Metal Size Chart: 28cmx18cmx34cm/11.02inchx7.09inchx13.39inch Package Includes: 1 SetElectrostatic Induction Electricity Generator