My World Pocket Metal Detector Have lots of fun discovering long lost treasure or you can just find the pennies you lost behind the sofa with this awesome little pocket metal detector from Funtime! The pocket metal detector has an adjustable sensitivity dial and it can scan for items up to 2 inches below the surface. It is ultralightweight too, making it ideal for carrying on long walks and outdoor adventures. The perfect birthday present or stocking filler, it makes a wonderful gift for any budding young detectorist. Suitable for ages 3+. Requires 2x AAA Batteries (sold separately) My World My World is an awesome collection of fun science and nature based pocketable gadgets from Funtime, created so that inquisitive minds of all ages can explore and discover the world around them.