Organic Set. Designed to make models of most compounds in the G.C.S.E. and Advanced level courses. Consisting of: Spheres: 24 Carbon, 12 Oxygen, Nitrogen, Sulphur, 12 Halogen, Metal, and 40 Hydrogen. Links: 60 short white, 55 medium grey, and 25 long grey. Packed in plastic box with instructions.
