This 5 Times Enlarged Human Ear Anatomy Model is a great educational tool for teaching human anatomy, physiology, and pathology. It is made of PVC plastic and is 5 times enlarged, making it easier to see and understand the structure of the ear. The model includes the outer, middle, and inner ear, as well as the base of the ear. It is also 3pcs, with 2 removable parts, making it easy to disassemble and reassemble for storage or transport. The model is perfect for use in schools, clinics, hospitals, and other medical settings, and is also great for children and students to learn about the ear and its functions.