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. For Ages 5yrs+
Product Specifications
- Build your own alarm system
- Learn basic electronics
- Fun and practical STEM activity
- Length : 17 cm
- Width : 6 cm
- Height : 22 cm
