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
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
Meiosis Model, Dimensions: 60 x 40 x 6 cm, Advantages: Chromosomes coloured according to modified AZAN staining colour, Cell components are colour-coded in accordance with educational aspects, Attaching magnets on the rear, Storage system, Enlarged 10, 000 times