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  • 4M Intruder Alarm by 4M
  • 4M Intruder Alarm by 4M
  • 4M Intruder Alarm by 4M
  • 4M Intruder Alarm by 4M
  • 4M Intruder Alarm by 4M

Intruder Alarm by 4M

$21.99
Excl. tax

STEM electronic kit Intruder Alarm

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  • Construct and install this fun do-it-yourself alarm in your bedroom and stop those "unwanted intruders"!
  • Connect the electrical circuit and build the case to construct a door alarm system.
  • Contains plastic platform, accessories, metal pegs, electric buzzer and wires. Also includes a string to trigger the alarm and battery case.
  • Recommended for ages 8 years and up
  • Requires 2 AA batteries (not included)
  • Fun and educational!

 

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