Giant Hands-On Ear lab-equipment It only takes a simple

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Do Not Enter” printed on both sides

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1 vial methyl orange solution

Giant Hands-On Ear lab-equipment It only takes a simpleWithout sacrificing size or key detail this three part replica exposes the entire length of the ear canal and Eustachian tube so that the sound waves entering the ear can be easily traced and to demonstrate how air pressure on both sides of the eardrum is equalized. The hammer, anvil, transparent ear drum, and the labyrinth all lift out for hands on study. 18 hand numbered anatomical features are explained in depth in the accompanying study guide.