This is a keychain featuring the Zeon mobile suit Gyan from Mobile Suit Gundam and Ultraman Seven. These were sold a long time ago, and the eyes would light up when you pressed the black button on the back. The eyes no longer light up, so I disassembled them and tried to replace the batteries, but they don't seem to work, possibly due to poor contact. By the way, Seven is missing one of the three screws. I hate to throw them away, so I'd be happy if someone could repair them and put them to good use.