Description: 【Pp material】: Human Knee Joint Model is made of pp material, which is strong and wear resistant, suitable for long term use, and maintains the stability and durability of the model 【1:1 scientific life size】: Anatomical Model is made according to a 1:1 ratio, which is scientific and accurate, and has a movable ligament model to improve teaching effectiveness 【Anatomical Teaching Tool】: Anatomical Teaching Tool is used as a teaching model, suitable for education and learning demonstration, to help students better understand the structure of the human knee joint 【Displays Movement】: Human Knee Joint Model is not only practical, but also can be used as a decoration to add a scientific atmosphere and enhance the beauty of the space 【Intuitive and easy to use】: Intuitive Human Knee Joint Model is intuitively designed, easy to use, and suitable for various teaching scenarios Specification: Material: Pp Size Chart: 11cmx11cmx19.5cm/4.33x4.33x7.68inch Package Includes: 1 Human Knee Joint Model Note: Please allow slightly errors 1-2cm differences due to manual measurement.