Product Description: Science meets immaturity in this top-selling title with a set of customizable electronic gizmos, along with a book of games, pranks, and jokes. Klutz-clear explanations of the electronic circuitry accompany step-by-step instructions for how to wire (and rewire) your own door alarm, motion sensor, light sensor, and push-button device...read more

Product Description: Everything you need to fly like a pro, indoors or out. Our three only-from-Klutz, rubber band powered airplanes have been carefully engineered for coolness, from the extra-large Firebird (an impressive 19-inch wingspan), to the acrobatic Lightning Looper (it really loops), to the Shooting Star (which makes such tight turns you can fly it in the living room)...read more