Ideal for centers and cooperative learning, CenterSOLUTIONS? Math Learning Games contains four complete games. Each game focuses on a different preschool math skill that makes the set perfect for differentiated instruction. Skills covered are colors and shapes, counting 0 to 20, opposites, and classification. Every game includes a gameboard, four game pieces, playing cards, and its own storage box. Best of all, they can be stored individually, or all together using the large storage box. All the games meet state, national, and provincial standards with grade-level-specific skills. For 2 - 4 players.