Biochemistry teacher set
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A semi-space filling set for making a wide range of biochemistry molecular models. Consisting of: SPHERES: 66 Carbon, 34 Nitrogen, 40 Oxygen, 6 Phosphorus, 2 Sulphur, 2 Metal, 105 Hydrogen. LINKS: 100 short white, 60 non-visible. Packed in 2 plastic boxes with instructions.