This award-winning, environmentally friendly puzzle is made of wood from FSC-monitored sources, painted with water-based paints, packaged in a box made of recycled materials, and printed with soy-bean ink. It encourages children to learn their alphabet in a unique and engaging manner. By sorting the capital letters in the correct sequence, kids will assemble a beautiful picture. On the reverse side, a long caterpillar helps kids learn both upper and lowercase letters. Store all the pieces in the nice and sturdy drawer box that comes with the toy. Tested to meet European and U.S. safety standards.