Encourage number recognition and counting skills by building tall and colorful structures. Different-sized blocks with specific numbers help children develop an understanding of the relationship between size and number. More advanced learners can use the blocks to visualize more complex math concepts such as fractions and algebra. Includes 28 foam blocks: 10 block (1), 9 block (1), 8 block (1), 7 block (1), 6 block (1), 5 block (2), 4 block (2), 3 block (4), 2 block (5), 1 block (10) and activity suggestions.