This set comprises 240 atom centres, scale 3 cm = 100pm. The atoms consist of plastic centres having prongs set at the correct bond angles. The centres are colour coded according to the element, and the bond angles are engraved on the centres and marked by bars.
The items consist of: Molecular shape, methane, butane and alkanes, isomerism, carbon compounds with multiple bonds, ring structures, molecules with nitrogen, phosphorus and sulphur, benzene, optical isomerism, sugars, carbohydrates, polymers and complex ions.