MODEL DETAILS - This product contains four models that all vary in size. Hip model size is 2-1/2 x 2-3/4 x 5. Shoulder model size is 3 x 3 x 3-3/4. Knee model size is 1-1/2 x 1-3/4 x 4-1/2. Elbow model size is 1-1/2 x 5-1/4 x 3. WHERE TO USE - The Mini Muscled Joint Set is a perfect display for patient education in a doctor's office or a healthcare facility. It can also be used as a teacher's accessory for classroom demonstrations. Use this in place of an anatomy poster. Manufacturered by GPI Anatomicals. VISUALLY INFORMATIVE - Our anatomical models aid in effective patient education. The tactile & descriptive nature helps patients better understand their conditions & treatment plans. This can significantly raise the level of patient compliance. EDUCATION FIRST - Our main focus is on prioritizing customer education. We offer interactive models that provide attention to detail with distinct colors. Whether you need a model of the heart skull or other skeleton bones we've got you covered. MINI JOINT MODEL - Set of four reduced size joint models of the hip elbow shoulder & knee. The elbow model does not contain the structures of the hand and wrist.