● The model can be used as visual teaching aids in middle schools, colleges and medical schools.● The model is divided into four parts, showing details of the hemispheres, brain stem, arteries and optic nerves. The right half of the face is dissected sagittal and horizontal, showing important structures of the brain, skull, mouth and nasal cavity. ● Adopt environmental protection matte PVC material, safe and harmless, no peculiar smell. ● The brain, cerebellum and eyeball can be taken out to observe the details. At the same time, it reproduces the medial structure of oral cavity and nasal cavity.