Electricity Caddystack Classroom Set

A complete classroom set of basic electrical components designed with both quality and economy in mind. The Electricity Teachers Guide (20814), which contains activities for designing and building simple circuits, switches, series and parallel circuits, motors and buzzers, is also included. Ages 13 +. Packaged in a CaddyStack, each kit consists of: 16 Economy Bulb Holders, 16 Economy Switches, 16 Miniature Bulbs, 30 Wire Connectors, 1 Teachers Guide, 16 Battery Holders, 16 D cell Batteries, 2 Motors, 2 Buzzers, 1 guide in English