Metal detector detects changes in its magnetic field and will sound an alarm of light and sound.
Easy and fun to assemble!
Just follow the simple instructions and find your own hidden treasures!
The Science Inside!
Go on a treasure hunt and learn how magnetic fields react to metal!
Circuit board Epoxy, copper, Main body Paper.
240 x 120 x 90 mm.
Suitable for children 8 years & up.
By Artec Science Crafts.