Descriptions: _x000D_ The knee joint is a joint with a large and complex structure and more chance of injury. The life size human model can show the structure and shape of the knee joint, bending, stretching and turning in/out. It is an ideal mold for enthusiasts interested in human bones. _x000D_ _x000D_ Features: _x000D_ 1. Clearly show the structure and shape of the knee joint. _x000D_ 2. Vivid to simulate the bending, stretching and inward / outward rotation of knee joint. _x000D_ 3. Demonstrate the anatomy and mechanics of the knee joint. _x000D_ 4. Consists of portions of femur, tibia and fibula. _x000D_ 5. Ideal for hobbyists interested in human bones. _x000D_ _x000D_ Specifications: _x000D_ Material: PVC _x000D_ Size: Approx. 32 x 11 x 11cm / 12.6 x 4.3 x 4.3in_x000D_ Overall Length: 32cm/12.6in _x000D_ Weight: Approx. 811g _x000D_ _x000D_ Package Includes: _x000D_ 1 x Knee Joint Model _x000D_ _x000D_ _x000D_ Note: _x000D_ Please allow 1-3mm error due to the manual measurement. Thanks for your understanding.