5-Pack Chemical-Resistant Polypropylene Stoppers, 29/32 Length_248mm Greatly enlarged inner ear model

Greatly enlarged inner ear model exposes bony and membranous labyrinth alongside a sectioned cochlea for vestibular and auditory anatomy teaching

Young's-modulus kit with a 0-30mm scale plate

Built around a transparent celestial sphere with an inner Earth globe

To runs 30 hours in vertical or horizontal position

the diverging curvature delivering reduced virtual images while the larger face brightens viewing

5-Pack Chemical-Resistant Polypropylene Stoppers, 29/32 Length_248mm Greatly enlarged inner ear modelPack of 5 chemical resistant polypropylene stoppers fits 29 32 sockets for sealing ground joint vessels with chemical and impact resistance.