Description

promoting airflow through glassware and plasticware during post-wash drying on the bench

and color-mixing activities

and mechanical-advantage experiments

sized to drop different loads into a circuit without rewiring

Giant Human Ear Model, 5X Life Size Handle Type_Wood promoting airflow through glassware andFive times enlarged ear model reveals cochlear canal, ossicles, and vestibular structures at visible scale for group classroom demonstrations of auditory anatomy.

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Giant Human Ear Model, 5X Life Size Handle Type_Wood promoting airflow through glassware and

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