4M - Kidz Labs - Magnetic Intruder Alarm

Grasshopper

$29.00 
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.

Age: 5 years and up
Item no: 03232
Approx Package Dimensions: 22 x 17 x 6 cms
Build your own Intruder Alarm
Keep out those pesky brothers & sisters
Requires 2 AAA batteries (not included).
Availability: 2 in stock

Grasshopper