If jokes, pranks and gags are up your alley, get ready to build scientific gizmos that are seriously funny. The 16 different sound-and-gizmo combinations offer limitless opportunities for humor. Kit includes a circuit board with speaker, LED, component wires, battery clip, photodetector, switches, and 6 double-sided gadget covers, plus a 32-page, full-color instruction manual that explains electronic circuitry and gives step-by-step instructions for how to wire (and re-wire) your own door alarm, motion sensor, light sensor, and push-button device. Uses a 9-volt battery (sold separately).
Age Recommendation: Ages 8 and up