Top Secret Intruder Alarm

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This Science Museum assembly kit makes an alarm you can install on any door.

Opening the door pulls a trigger which completes a circuit, sounding the electronic alarm. The contents include a plastic intruder alarm case set with cover and base platform, battery holder with switch and wires installed, metal pegs, plastic pegs, trigger plate, wall mount, string, double adhesive tape & door plate all with detailed instructions in full colour. Very smart gift for all those boys who want to keep their sister out of their room.

Science Museum Top Secret Intruder Alarm
Great Gizmos Top Secret Intruder Alarm
4M Top Secret Intruder Alarm

Why They'll love it

  • Working intruder alarm for any door
  • Loud electronic alarm
  • Guard your room from invasion
  • Science Museum kit

Technical Stuff

  • Age 8+
  • Box Size: 21cm x 17cm x 6cm
  • Weight: 210g
  • Requires 2 x AA batteries (not included)

All Boys

This is our full selection of everything we have in the Boys Categories to help you choose great presents for boys of any age. If you are buying a present for male in your life from age 0 to aged 12, it is here. Also of course we have some things good for any age from 13 up..

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