Build Your Own Gotcha Gadgets
A funny and fun little science kit where you follow simple instructions and learn to build your own electric door alarm, motion sensor, light sensor or push button sound machine. Program it with one of the four funny sounds. Use your new creations to play more than 20 tricks and pranks.
Includes: circuit board, speaker, led light, battery clip, photoresistor, switches, project wires, alligator clip, gadget case, 4 gadget covers, 2 doorbell hangers, 2 door alarm hangers, instruction book.
Build 4 different gadgets and 4 sounds. 9 volt battery required, not included.
CHOKING HAZARD - Small parts.