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  • 4M Magnetic Intruder Alarm
  • 4M Magnetic Intruder Alarm
  • 4M Magnetic Intruder Alarm
  • 4M Magnetic Intruder Alarm
  • 4M Magnetic Intruder Alarm

4M Magnetic Intruder Alarm

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    Explore how a magnet sets off this cool intruder alarm. It's a fun project for exploring how a magnetic switch works in an electric circuit.

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