Organic set
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Designed to make models of most compounds in the G.C.S.E. and Advanced level courses. Consisting of: SPHERES: 24 Carbon, 12 Oxygen, 4 Nitrogen, 2 Sulphur, 12 Halogen, 3 Metal, and 40 Hydrogen. LINKS: 60 short white, 55 medium grey, and 25 long grey. Packed in a plastic box with instructions.