This highly addictive game can be played without previous knowledge, you don‰Ûªt have to be able to read or do math to play! The object of the game is to identify sets of three cards. Each card is unique in four features: color, symbol, shading and number. A set consists of three cards on which each individual feature is either all the same OR all different. 1+ players. 20 minutes to play. Ages 6 and up.