Convection of Gases Apparatus, consists of a metal box (22x10x11cm) with clear acrylic front panel, two glass chimneys, a candle and a cotton filled wick as the smoke source, Includes activity guide
OrthoBones* Model, standard Foot W Hammertoes, hard cortical bone and softer, spongy bone (spongiosa), Anatomically accurate, Realistic haptics, Simple handling, Two-component structure, Excellent results, Dimensions: 26 x 12 x 10 cm, weight: 0.126 kg
Orbit Organic Chemistry Models Class Kit, to understand the variety of organic molecules, Contains twelve kits and instructions, learn about key concepts in organic chemistry through hands-on activities, Compatible with Hubbard Molecular Model Kit R-MOD2
Replacement Sand, set is a refill of the sand included with the Tectonics model. Set includes one pound each of beige, black, blue, orange and yellow sand
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