Strengthen number relationships and math skills with these laminated number boards. Groups of twos or threes can use these versatile, double-sided (1-120 on front, blank grid on reverse) boards for everything from math games to graphing. Write-and-wipe boards allow for endless usage. Counting to 120 is aligned with CCSS. Set of 10 boards each measure 11" L x 11" H. Ages 5+.