4M Education Resources & STEM 4M - KidzLabs - Magnetic Intruder Alarm
4M Education Resources & STEM 4M - KidzLabs - Magnetic Intruder Alarm
4M Education Resources & STEM 4M - KidzLabs - Magnetic Intruder Alarm
4M Education Resources & STEM 4M - KidzLabs - Magnetic Intruder Alarm
4M Education Resources & STEM 4M - KidzLabs - Magnetic Intruder Alarm
4M Education Resources & STEM 4M - KidzLabs - Magnetic Intruder Alarm

4M - KidzLabs - Magnetic Intruder Alarm

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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.

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