Ein-O's Box Kit Build it Burglar Alarm


$ 10.00

Ein-O's Box Kit Build it Burglar Alarm

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. The kit includes capacitor, choke coil, circuit board, connecting wires, cotton thread, piezo transducer, resistor, transistor and instruction booklet, all in a reusable plastic box. The instruction booklet contains info-briefs on electricity, transistor, conductor, capacitor, resistor, piezo transducer, choke coil and assembly instructions. Also, the instruction booklet has coated pages, so a bit more heavy duty for kids' use. Ages 7 and up.


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