The completely assembled unit includes a motor, bell, buzzer, circuits, and switch all premounted on the circuit board and requires no soldering. The included, easy-to-follow student guide leads students through six investigations: Batteries and Bulbs, Conductors and Insulators, The Switch, The Bell, The Motor, and Circuits in Series and Parallel. All components can be run together or in any combination. It also comes with hookup wires and a double battery holder with batteries, as well as a teacher’s manual and five student guides. Size: 8 1/4″ x 8″.
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