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Battery Science

Make Widgets That Work and Gadgets That Go! Master the real science behind electricity and have a blast doing it. Includes a genuine alkaline battery, a buzzer, a propeller, a light bulb, a motor and other useful doodads _ everything you need for all eight projects. Toss in a little history, and you've got an activity book so good, it's shocking. Comes With: "C" cell alkaline battery, battery canister, motor, pulley, insulated wire, buzzer, 3-blade propeller, light bulb, plastic straws, cable tie, magnet wire, two alligator clips. For ages 8 and up

Catalog code BATSCI price $21.95
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