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KidzLabs - Magnetic Intruder Alarm
Pickup and shipping available from Macquarie Centre
Usually ready in 24 hours
Product Details
Don't let anyone sneak into your room undetected! Build your own intruder alarm to keep those pesky siblings out! 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+