The human body is an incredible and exciting thing! With this 5-Layer Wooden Puzzle from Hape, kids learn more about different systems of the body such as skeletal, respiratory, digestive, muscular, and integument/skin. Each layer promotes a deeper understanding of biology and is a great conversation-starter. Made with wood sourced from environmentally sustainable forests. Durable child-safe paint finish and solid wood construction make this a toy your child will love for years to come. Hape toys stimulate children through very stage of development and help nurture and develop their natural abilities. All Hape products sold in North America meet or exceed all applicable safety standards.