Minit Oxygen atom, Os, Atom centres are colour-coded according to element with prongs set at the correct bonding angles, 6 mm diameter atom centre, Minerals, Color: Red
Organic Chemistry Model Set, Build thousands of organic molecules in their natural conformations and see the 3-D structure of the molecules, With 140 durable components in this model set, you can build bigger molecules without having to reuse model parts, Snap-closure
Organic Plus Model Set, Has all of the great features of the MG140 model set PLUS it has 3 new features, Has 35 additional parts that can be used to illustrate sigma and pi bonding, resonance, and aromaticity, Perfect for the more advanced orgainic chemistry student