4M - KidzLabs - Magnetic Intruder Alarm Dig Kits Learn how real detectives identify

Learn how real detectives identify suspects and collect clues at a crime scene

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4M - KidzLabs - Magnetic Intruder Alarm Dig Kits Learn how real detectives identifyDon'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+