Klutz Battery Science Make Widgets That Work and Gadgets That Go Create 8 working electricity projects Comes with battery, battery canister, motor pulley, wire, buzzer, propeller, light bulb, plastic straws, cable tie, magnet wire, alligator clips Includes a 56 page instructional book with Klutz certified crystal-clear instructions Dr Toy Award, Parents' Choice Award Recommended for children ages 8+