Sci Box - Burglar Alarm
Original price $7.25 - Original price $7.25
$7.25 - $7.25
Current price $7.25
This burglar alarm box kit instructs children how to build a simple electric device to detect unwanted intruders. Includes Ein-O's I Know Guide, capacitor, choke coil, circuit board, connecting wires, cotton thread, piezo transducer, resistor, and transistor. Ages 7 and up.
WARNING: CHOKING HAZARD - This kit contains small parts. Not for children under 3 years.