Perfect size to carry in a backpack
Plastic case and instructions included
The set contains 140 durable plastic components that can be used to build thousands of molecules. The carbon-carbon bonds are easy to rotate, allowing boat to chair conformational changes in seconds. The flexible links allow you to create single, double, and triple bonds. The snap-closure prevents spills and the compartments keep the atom models and bonds conveniently separated. The model building instructions include pictures that show how to assemble the atom models.