✅Scientific Accuracy -The knee model is anatomically designed with flexible ligaments. Can demonstrate abduction, flexion, extension, anteversion and retroversion of the knee joint and sliding movement of the patella..✅ Intuitive Teaching Tool - The model of knee is perfect for anatomy study. Ideal for science classrooms and medical school students, it is an excellent teaching tool and educational aid to help enhance your learning experience..✅High-quality Material - The knee anatomical model is made of odorless, durable and corrosion-resistant high-quality PVC material, and the product is lightweight and easy to carry..✅ Life Size - The knee anatomy model is a 1:1 life-size replica with a plastic base for easy display. It is an excellent teaching tool for medical classroom teaching aids and patient education..✅ Ultrassist focuses on providing models for medical teaching. Explore our growing line of other educational models by visiting the Ultrassist Amazon store. There may be one in our library of models that may be just what you have been looking for.