Magnetic Intruder Alarm Kidz Labs

Overview

4M - KidzLabs - Magnetic Intruder Alarm

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.