Natural Wood Number & Shape Sorting Smart Cube * High Quality Construction!!! Made of Natural Wood. Free of phithalates and BPA's * This classic wood block set includes over 12 solid wood blocks painted bright red, blue, yellow, and green. Includes versatile variety of shapes with numbers and size. * Encourages children to recognize a variety of geometric shapes and color recognition * A classic toy every child should have... product dimensions: 6.5" x 6" x 6.5" * Brightly colored, smooth-sanded piece help build early letter differentiation skills