The Molymod Inorganic/Organic Student 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 plastic storage box. Atoms:. 2 x metal (1 hole). 3 x metal (2 hole). 1 x metal (3 hole). 1 x metal (4 hole). 1 x metal (6 hole). 6 x halogen (1 hole). 1 x oxygen (4 hole). 6 x oxygen (2 hole). 1 x boron (3 hole). 1 x sulphur (2 hole). 1 x nitrogen (3 hole). 2 x nitrogen (4 hole). 6 x carbon (4 hole). 1 x phosphorous (3 hole). 1 x phosphorous (5 hole). 14 x hydrogen (1 hole). 1 x brown (3 hole). 1 x brown (4 hole). 1 x brown (5 hole). 1 x brown (6 hole). Bonds:. 3 x lone pair paddles. 20 x grey medium. 5 x purple medium. 12 x grey long flexible. .