Build your own Metal Detector and go treasure hunting at the beach or in the backyard. This set is an easy-to-build instrument with included detailed instructions. You will need a screwdriver and 2 AA batteries (not included). Once assembled, keep it away from metal and adjust the sensitivity of the detector until it no longer makes noise. The detector will make noise when it is near metal.

• Detector makes sound in the presence of metal
• 2 x  AA batteries required (not included)
• Easy assembly with screwdriver