4M KidzLabs magnetic intruder alarm
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Buy 4M KidzLabs magnetic intruder alarm
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KidzLabs magnetic intruder alarm | £23.60 |  | |||
Don't let anyone sneak into your room undetected! Build your own intruder alarm to keep those annoying siblings away! And while you're at it, explore how a magnet triggers this awesome alarm to build your own intruder alarm.
It's a great project to explore how a magnetic switch works in an electrical circuit.
A simple alarm box construction is required.
Requires 2 AAA batteries.
Ages 5 years +
It's a great project to explore how a magnetic switch works in an electrical circuit.
A simple alarm box construction is required.
Requires 2 AAA batteries.
Ages 5 years +
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