New big ear anatomical model(3 times magnifacation)

Big ear model, suitable for primary science curriculum, shows the ear of the internal structure and the location of the outer ear, middle ear, inner ear organs and balance relationship.
1. The outer ear: pinna shape and inherent characteristics of external auditory canal.
2. The middle ear: the external wall of tympanic membrane, drum indoor connection tympanic membrane and the inside wall of three ear bone (malleus, incus, stapes.), anterior wall connected pharyngeal eustachian tube.
3. The inner ear, and a bone lost in the middle of vestibular, in front of the cochlea and three semicircular canal.
4.PVC, 5 x zoom, placed in the base.Divided into 6 pieces.
5.Size: 43 x25x15 CM. 
6.Packing: packed in 55 x47x59cm, 6 PCS/box, 18 kg