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Magnetic Intruder Alarm

Magnetic Intruder Alarm

Regular price $29.99 NZD
Regular price Sale price $29.99 NZD
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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.

Features:

  • Simple construction of the alarm box is required.
  • This magnetic alarm beeps when the door is opened to warn you of intruders.
  • It's a fun project exploring how a magnetic switch works in an electric circuit.
  • Requires 2 x AAA batteries.

Suitable for ages 5 years and up





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