Discover the electromagnetic energy at the heart of the device
This DIY metal detector's magnetic field is affected when there is a metal object near it, causing it to sound an alarm of light and sound.
Just follow the simple instructions, and you might be able to find your own metal-based treasure. Or at the very least you will be able to determine the presense of metal. This fun D.I.Y. kit will not be able to detect small or deeply buried metal as the output is too small.
Includes paper body, one circuit board, one tube of school glue and one “AA” battery box. Finished product is 240 mm x 120 mm x 90 mm. Requires one “9V” battery (not included).
WARNING: CHOKING HAZARD – Small parts. Not for children under 3 years.