Gotcha Gadgets Book

Description

Mature electrical engineering marries incredibly immature pranking in the Gotcha Gadgets Book! This Klutz book is packed with jokes, pranks, and games based on a set of constructable, customizable, sound gizmos! Kids can set off screams in the refrigerator with a light sensor, make a door alarm that sounds like gas, or set up any of the 20 circuit tricks that this 32-page book suggests. The book features a library of sounds, clear scientific explanations and instructions, plus: a circuit board, speaker, LED, battery clip, photo-resistor, switches, project wires, alligator clip, gadget dock, gadget case, four gadget covers two doorbell hangers, and two door alarm hangers. Serious science is seriously fun with this wacky build it your self book! Requires 1 9V battery, not included.