Buy this product: Criss Cross Blocks come in a set of 40 pieces. The 40 pieces come in the basic 4 colors and are great for sorting by color (and counting). The pieces have diffent numbers of "legs" that the pieces can fit together by, so the child can sort all the pieces that have 3 legs and those that have 4 and then build using those pieces. Criss Cross Blocks can create many different shapes that look like animals, people or buildings. Appropriate for ages 2 and up.
