Immerse yourself in learning human anatomy: The Osteoarthritis Stage 4 Knee Model Kit serves as an interactive 3D alternative to anatomy posters. The detailed presentation of the knee joint in various stages of osteoarthritis makes it a valuable tool for physicians, teachers, and students. Detailed Anatomy: Our model set depicts the detailed progression of degenerative joint disease (osteoarthritis), focusing on the erosion of articular cartilage. It also highlights osteophytes (bone spurs) on the joint surface, providing a complex understanding of the medical condition. CONVENIENT SPECIFICATIONS AND FEATURES: This anatomical model kit includes an information card and a display base. Model measures 3 inch x 1-3/4 inch x 5-1/2 inch EXCELLENT EDUCATIONAL TOOL: Display this 4-stage knee anatomy model in a doctor's office, classroom, or medical facility to effectively educate patients or students. It is perfect for illustrating the various stages of osteoarthritis and is an aid for any teacher. Committed to Quality Education: Our clients' education is our top priority. We provide interactive models of the human body that are carefully designed for maximum accuracy. Informative and practical, these models make excellent gifts for medical students. Material: pvc Color as shown Package Contents: 4 x Knee Model Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.