This Discovery Mindblown STEM Digital Metal Detector is a great way to entertain your kids and help get them into the exciting world of metal detecting. Look for buried treasure on a camping trip, whilst having fun at the beach or even in the garden.A great metal detector for young explorers to discover lost metal objects and treasures! Features double detector search coil and sensitivity control for more accurate treasure hunting. The detector will beep and flash LED lights (indicator colour changes from white to blue) when metal is detected. Lightweight, easy to handle, with adjustable volume for your comfort.