Math dice are a fun, hands-on way to practice patterning! Great classroom supplies, these high-quality blocks are wonderful learning aids that can be used to teach and reinforce basic pattern and math concepts. Visual learning is an important part of any child's education and helps them retain ideas and early-education lessons. Ideal for open-ended pattern creativity, these blocks don't include templates or pre-determined patterns to practice. Foam. (148 pcs. per unit) 2" - 7 3/4" x 7 1/4"