Descriptions: The knee joint is a joint with a large and complex structure andmore chance of injury. The life size human model can show the structure and shape of theknee joint, bending, stretching and turning in/out. It is an ideal mold forenthusiasts interested in human bones. Features: 1. Clearly show the structure and shape of the knee joint. 2. Vivid to simulate the bending, stretching and inward / outwardrotation of knee joint. 3. Demonstrate the anatomy and mechanics of the knee joint. 4. Consists of portions of femur, tibia and fibula. 5. Ideal for hobbyists interested in human bones. Specifications: Material: PVC Size: Life Size Overall Length: 32cm/12.6in Weight: Approx. 811g Package Includes: 1 x Knee Joint Model Note: Please allow 1-3mm error due to the manual measurement. Thanksfor your understanding.