The magnetic switch triggers an immediate beep as soon as the door opens. A great mix of fun and basic safety in a child’s room.
Kids will understand how an electric circuit and magnetic contact work—ideal for developing technical thinking and curiosity.
The lightweight design and simple mounting on the door frame allow quick setup without complex modifications.
Build your own magnetic alarm and find out how an electric circuit and magnetic switch work. Thanks to its simple design and clearly labeled parts, it’s ideal for kids who want to combine fun with learning.
The device easily attaches to a door and emits a warning sound when opened, alerting you to movement. A great addition to a child’s room for playful privacy protection and a practical introduction to science.
