Build tall and colorful structures while creating a foundation for mathematical understanding by encouraging number recognition and counting skills. As they play, young learners will develop an understanding of the relationship between size and number by associating different-sized blocks with specific numbers. More advanced learners can use the blocks to visualize more complex math concepts such as fractions and algebra. Activity suggestions included and comes in its own fabric storage bag. Use Number Stax to practice patterns, counting, measuring, adding, subtracting, multiples and skip counting, multiplying, dividing, fractions, algebra, and more! 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) Ages 4+