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.
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