The incredible inner-world of the human body is beautifully portrayed in this unique, double-sided educational floor puzzle from Melissa & Doug. One side of this detailed 100-piece puzzle details the skeletal structure, and the other side shows the internal organs of the body. Children will love exploring and learning beginning anatomy with this challenging, nearly life-sized floor puzzle. Melissa & Doug floor puzzles have the best graphics, highest quality, and largest size. These colorful, detailed floor puzzles are made of heavy duty cardboard that's 20% thicker than other puzzles, and the easy to clean surface keeps the puzzles looking new! Size: Over 4 Feet Tall 100 pcs Ages 8+