The Learning Resources Plastic Pattern Blocks provide a hands-on method to teach math concepts. The pieces are sized just right for a child's hands. The set comes with 250 blocks in a combination of six sizes and colors. They store away neatly in the tube container. Enjoy using the blocks to count, sort, explore symmetry, create colorful designs, practice linear and area measurements and more. The Learning Resources blocks can even be used to create 3-D models for more advanced geometric concepts. These math manipulatives are ideal for playtime. They are educational and entertaining, and they will make learning math easier.