Mattel Games UNO Quatro Game with Colored Tiles & Plastic Grid for Adult, Family & Parties, 2 to 4 Players Ages 7 Years Old & UpCombines the skill of matching color and number with the challenge of getting four in a row. Plastic game base and tiles make the game durable and easy for travel. Action Tiles let you swap two trays, push a tile out of a tray, or force another player to take their turn with 2 fewer tiles. You can get four in a row either diagonally, vertically or horizontally. Special graphic symbols have been added to help colorblind players identify the color of