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Magnetic Intruder Alarm
Stock Code:
FSG3440
Unit:
Each
Price:
$25.00 (ex GST)
Description
Don't let anyone sneak into your room undetected! Build your own Intruder Alarm to keep out those pesky brothers & sisters! And while you are at it, explore how a magnet sets off this cool build-your-own intruder alarm.
It's a great project for exploring how a magnetic switch works in an electric circuit.
Simple construction of the alarm box is required.
Requires 2 x AAA batteries.
Ages 5 and over.
In Stock