Human Knee Joint Functional Model Bone Skeleton $ 16.19 Product Information: Product Name: Knee Joint Model Product Material: Environmentally Friendly PVC Material Product Introduction: The Knee Joint is Composed of the Femoral Medial and Lateral Condyles, the Tibial Medial and Lateral Condyles, and the Patella. It is the Largest and Most Complex Joint in the Human Body and has more Chances of Injury.