US$ 32.99
Paramecium
51 at 32 by 32mm
supplying the strongest field of the Alnico horseshoe series for visible attraction-distance demos
Diffraction grating mounted on a 90 x 40mm card slide
365-Piece Organic Stereochemistry Molecular Model Set prop65 ParameciumThree hundred sixty five piece organic stereochemistry model set with 32 carbons, 60 hydrogens, oxygens, nitrogens, sulfurs, plus 2D orbital and short bond components for chirality work.
US$ 32.99
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