The Molymod Inorganic/Organic Teacher Set can be used to make quality, colour-coded 3D models, Designed to make a wide range of open type models, such as amines, inorganic acids, metal oxides and simple organic structures.Contents are supplied in a compact, sturdy plastic storage box.Atoms:12 Hydrogen (1 holes)2 Hydrogen (2 holes)14 Carbon (4 holes)6 Carbon (5 holes)13 Oxygen ( 2 holes)4 Oxygen (4 holes)5 Oxygen (1 hole)6 Nitrogen (4 holes)4 Nitrogen (3 holes)8 Sulphur (2 holes)4 Sulphur (4 holes)1 Sulphur (6 holes)4 Phosphorus (4 holes)1 Phosphorus (5 holes)2 Phosphorus (3 holes)8 Halogen (1 hole)4 Metal (1 hole)3 Metal (2 holes)2 Metal (3 holes)4 Metal (4 holes)1 Metal (6 holes) Bonds: 38 grey medium12 purple medium36 long flexible greyAtomic orbitals: 6 pink unhybridized p-lobes, 6 purple unhybridized p-lobes, and 6 lone pair of electrons lobes.