Hardware: Environmentally friendly PVC material, computer color matching, high-quality hand painting.It almost truly shows the structure of the human ear.Size: 21cm high, 33cm wide, 23cm thick. Digital Logo: We have specially designed the practical digital logo model so that you can learn accurately and effectively, understand and practice better.To learn time and improve learning efficiency Study aid: The outer tube part of the tibial rock of the model can be moved, picked up and opened, and the tympanic membrane, malleus and incus can be separated.It will provide the best aids for your in-depth research The ear model shows in detail the different anatomical structures of the human ear, the middle ear and the inner ear.It can live in life knowledge related to students through models, allowing students to quickly understand and control, thereby improving learning efficiency. Laboratory Supplies: PVC material does not have to worry about being broken by students, so it will be a good complement to laboratory supplies.Very suitable for school teaching tools, learning display and collections