3B Scientific E11 6 Part Ear Model, 3 Times Life Size, 13.4" x 6.3" x 7.5" 3X life-size human ear model for anatomical study of the outer, middle, and inner ear structures Dissembles into six parts for effective demonstration Removable eardrum, with hammer, anvil, and stirrup for detailed examination Detachable bone sections to close the middle and inner ear for accurate representation Mounted on base for display