The Molymod Biological Science Kit can be used to make quality colour-coded 3D models.The set is designed for student use and is ideal for group work but can equally be used by individual students. The new set contains 34 atoms along with long medium and short links allowing the construction of open or compact models.Contents:14 Hydrogen atoms7 Oxygen atoms3 Nitrogen atoms6 Carbon atoms2 Sulphur atoms1 Copper atoms1 Phosphorus3 Pink R-Groups26 Single Bond Links12 Multiple Bond Links50 Compact Model Links