Designed to detect electromagnetic pulses, Dragon Radar is the perfect tool for finding and collecting all 7 Dragon Balls! Made with fans in mind, this Radar Keychain features flashing lights and pulsing sounds to alert you when Dragon Balls are near. Push the button at the top of the keychain to activate the mock-radar features. It can be attached to keys, belt loops, and backpacks via the secure metal keyring and is great for DBZ fans of all ages!