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Description
The 4M KidzLabs Magnetic Intruder Alarm is a fun and easy project that involves activating a magnetic switch with the use of a magnet.
Learn how to build an intruder alarm - perfect for keeping your little sister or brother out! This is an excellent kit for learning how a magnetic switch works in an electric circuit.
The simple construction of the alarm box is required.
Requires 2 x AAA batteries (not included).
Suitable from 5 Years +
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