From the manufacturer: "For Ages 3 - 6. Put together sum puzzles! This matching game for preschoolers is a great introduction to addition and subtraction. All Problem Pieces and Solution Pieces are placed face down. Turn over a Problem and then search for its matching solution. Patterns and colors are one way to make the match. Figuring out the math problem takes the game to a whole new level. This game is a great way to introduce tiny tots to the award-winning Brain Quest approach: It s OK to Be Smart! Comes with 20 double-sided Problem Pieces and 20 double-sided Solution Pieces. For 2 or more players."

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