Enlarged approximately 4 times. The petros portion of the temporal bone section of the auditory canal are removable, with labyrinth can be taken out and opened. The tympanic membrane with malleus and incus can be removed in 5 parts.
DNA Replication 3-D Model Kit-10 Student Model Template Sets and Teacher Guide, Vinyl Pouch, Assemble and use 3-D models to visualize and investigate key science structures, Perfect for use in the classroom, lab or at home, Satisfies NGSS Standards, Grade: 6 to 10, Material: Paper, LxW: 12X19in