Pattern Blocks, 250 Plastic Blocks in a Clear Plastic Jar by Ideal
Use Pattern Blocks to teach geometry, symmetry, fractions, and more. In six shapes and six colors. The Standard Plastic Blocks are 0.5cm thick. The Deluxe Plastic Blocks and the Wood Blocks are 1cm thick. by Ideal

Grade Level: K, 1, 2, 3, 4, 5, 6