Magnetic Intruder Alarm - Kidz Labs bubble science Perfect for grey nomads and
Description
Perfect for grey nomads and outdoor adventurers
Ian Gynther
This piece reflects an approach to jewellery that values material integrity
Jarrah or Tasmanian Oak
Crafted from lightweight
Magnetic Intruder Alarm - Kidz Labs bubble science Perfect for grey nomads andDon'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. 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. Box size: 167 x 215 x 58mm Weight: 450g
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