PreK & up. Count on number fun with these sturdy, lightweight bean bags. Each 2 3/4" x 2 3/4" bean bag is embroidered with a number (1 to 20) on one side and its number word (one to twenty) on the other. Even numbers are embroidered in blue, and odd number are embroidered in red for easy identification. The bean bags come in a handy cloth storage bag with a Tip Sheet of beginning math activities for large and small groups, from number identification and counting to simple addition and subtraction.