Upper Triple Root Molar Model with Caries, 15X Enlarged, 2-Part Pack Size_100 an ignition light firing on

an ignition light firing on compression for visual timing

Fullerene C60 kit with 60 atoms and 90 bonds for building the spherical cage structure characteristic of fullerene carbon allotropes

Triple tandem plastic pulley with 25/38/50mm ball-bearing wheels on an open-sided 17

polished with ground edges for image-formation experiments in introductory optics

Upper Triple Root Molar Model with Caries, 15X Enlarged, 2-Part Pack Size_100 an ignition light firing onFifteen times enlarged molar shows progressive caries decay through enamel and dentin into the pulp chamber, supporting dental hygiene and pathology teaching.