Build Your Own Gotcha Gadgets

GOTCHA GADGETS teaches children the basics of electronics while playing tricks on family and friends. With this book kids can build a door alarm, a motion detector, a light sensor, and a push button sound machine. Then use them to set a snoopy sibling trap, wire the biscuit jar ...GOTCHA GADGETS teaches children the basics of electronics while playing tricks on family and friends.

With this book kids can build a door alarm, a motion detector, a light sensor, and a push button sound machine. Then use them to set a snoopy sibling trap, wire the biscuit jar, play audio limbo, confuse the cat, and more. Includes four build-it-yourself electronic gadgets and four hilarious sounds.

Putting science and electronics in the service of immaturity. Electronic gizmos to play 20 tricks Comes with 32-page book, electronics module, LED, photo detector, contact switches, alligator clip, gadget dock, double-sided gadget covers Includes a 32 page instructional book with Klutz certified crystal-clear instructions Push button sound machine, motion sensor, light sensor, door alarm Recommended for children ages 8+ GOTCHA GADGETS teaches children the basics of electronics while playing tricks on family and friends. With this book kids can build a door alarm, a motion detector, a light sensor, and a push button sound machine.

Then use them to set a snoopy sibling trap, wire the biscuit jar, play audio limbo, confuse the cat, and more. Includes four build-it-yourself electronic gadgets and four hilarious sounds. Putting science and electronics in the service of immaturity.