Learn all about the human body and how it works! Read about the skeleton, muscles, blood circulation, breathing, digestion, brain function and the equipment a doctor uses. An innovative 200 piece round puzzle of the human body with 10 large 3D pieces to insert that illustrate instruments commonly used in a medical setting that make this puzzle come to life! Puzzle Size: 50 x 50 cm Book Size: 14 pages Age: 6+