The Mensa Never Ending Sudoku Handheld Electronic Game is a top-quality electronic game designed for ages 12 and above. With the iconic Sudoku game title, this handheld electronic game offers endless entertainment and challenge for older teenagers and adults. Made by the trusted brand Wow!, this game is guaranteed to keep players engaged and entertained on-the-go. With its compact and portable design, it's perfect for enjoying a game of Sudoku wherever you are.