4M - KidzLabs - Magnetic Intruder Alarm
4M - KidzLabs - Magnetic Intruder Alarm
4M - KidzLabs - Magnetic Intruder Alarm
4M - KidzLabs - Magnetic Intruder Alarm
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4M - KidzLabs - Magnetic Intruder Alarm

$21.95
Don't Pay $29.95 
Save $8.00
Description and specs

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. 

Ages 5 and over.

Delivery and returns
$9.95 Shipping to all available areas

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