More detailed set for students at a more advanced level.

Atoms: 20 hydrogen (white), 12 carbon (black), 6 oxygen (red), 4 halogen (green), 4 nitrogen (blue), 2 sulphur (yellow), 1 phosphorus (purple), 1 metal (grey).

Bonds: 26 medium grey, 10 long flexible grey, 26 short white; one link remover tool.