Mattel Uno Dos Second Edition Card Game for 2 to 4 Players Ages 7 Years and Up The Mattel Uno Dos Second Edition Card Game is a strategic board game designed for 2 to 4 players aged 7 years and up. This updated version includes new features and improvements, making it an exciting and engaging option for older kids and adults. With a compact size of 30cm in length and height, this game is perfect for game nights or on-the-go entertainment. The Mattel brand ensures quality and reliability, and the game's theme of strategy adds an extra layer of fun and challenge for players to enjoy.