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XX Extra Firm - Silver - 0
Very resistant platform
Diameter 23cm
Store cold pack in freezer or fridge for 1~2 hours before use
muscle fatigue
Giant Ear Model Wrist XX Extra Firm - SilverThe giant model of the ear, for elementary science classes, is 5 times enlarged and mounted on a plastic base. Features Material: Washable PVC Size: 43cm x 25cm x 15cm 6 Parts Description 1. External ear: Showing the shape of the auricle and the primary features of the external auditory meatus. 2. Middle ear: Showing the tympanic membrane, the three auditory ossicles (hammer, anvil, stirrup) and the eustachian tube. 3. Internal ear: Showing the
