4M KidzLabs Magnetic Intruder Alarm STEM Electronics Security Science Learning

$41.95
+ $17.99 Shipping

4M KidzLabs Magnetic Intruder Alarm STEM Electronics Security Science Learning

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4M KidzLabs Magnetic Intruder Alarm STEM Electronics Security Science Learning

$41.95

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+ $17.99 Shipping
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4M KidzLabs Magnetic Intruder Alarm STEM Electronics Security Science Learning

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. For Ages 5yrs+ Build your own alarm systemLearn basic electronicsFun and practical STEM activity
  • Fruugo ID: 549009949-1107704941
  • EAN: 4893156034403
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  • STANDARD: $17.99 - Delivery between Wed 18 November 2026–Fri 20 November 2026 - Cheapest - Fastest

  • EXPRESS: $21.99 - Delivery between Wed 18 November 2026–Wed 25 November 2026

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