ALEX Toys Mini Metal Sensor Find all kinds of metal treasures indoors or outside Lightweight and portable Requires a 9 Volt battery which is not included Includes a covert metal detector for spies, detectives or special ops Find all kinds of metal treasures indoors or outside Lightweight and portable Requires a 9 Volt battery which is not included Includes a covert metal detector for spies, detectives or special ops Recommended for children 5 years of age and older