1998 Nintendo Mini Classic game keychain MARIO's CEMENT FACTORY. 100% Brand New! Factory sealed! Never been played with or removed from the card. Game instruction book is included Game is MINT in original package and has never been opened. Therefore, I can not guarantee it works. It is new but it is old electronics. If you want me to test for its working status after you buy it, please do let me know. Otherwise, I sell it As-Is and NO return. No warranty is stated or implied. Hope you understand! From a smoke free home.