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
Model Atomic Set - Economy, Junior, Idealy suited for advance level courses, Used for modeling three dimensional simple or complex molecular structures of organic and inorganic compounds, set consists of 30 connecting lugs and 75 balls indifferent sizes and colors
BioSigns Red Blood Cell Model, Learn all of this and so much more with this hands-on interactive 4-piece model that provides magnified and cross-sectioned detailing of a Red Blood Cell, Develop dexterity, enhance fine motor skills and inspire critical thought