This is a mini Tetris game keychain that has been tested and confirmed to be in working condition. It is the world's smallest Tiny Arcade Tetris game keychain and a rare find. The game was made in China and is a classic video game that is suitable for children aged 8 years and above, as well as adults. The keychain is part of the electronic games, games, toys, and hobbies categories, making it a perfect gift for anyone who loves playing games on the go.