Model Female Condom Dark Skin, Dimensions: 12 cm, shows the labia and vagina up to the cervix in a simplified representation for didactic reasons, and is used for demonstrating and learning the insertion of a female condom
Model, Wurtzite Crystal, named after the mineral wurtzite, is a crystal structure for various binary compounds, It is an example of a hexagonal crystal system, Wurtzite contains 39 - 1 inch balls, Dimensions: 24 x 2
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
Model, Edge Dislocation Crystal, contains 156 - 1 inch balls, Two main types of dislocation exist: edge and screw, found in real materials typically are mixed, Dimensions: 36 x 24 x 12 in, Weight: 10 lbs
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