A great giant model of the ear which shows all major structures related to hearing and balance. Dissectible into 3 parts. Enlarged 4 times. 14" x 7" x 8 1/2". A great giant model of the ear which shows all major structures related to hearing and balance. Dissectible into 3 parts. Enlarged 4 times. 14" x 7" x 8 1/2".