Our three-piece At The Zoo Knob Puzzle teaches your little one about zoo animals. Each wooden piece includes a large, chunky knob to make handling easy. The colorful pieces match up to a simple picture on the cut-out wooden board. Wood for this toy comes from FSC-managed forests accented with water-based paint and is made to meet the strictest of safety standards. Hape toys are designed to enhance developmental skills and are intended to last generations.