ATOMIC MODEL SET (LSE) Useful for construction of 3-dimenional molecular structures of various organic and inorganic compounds and demonstrating their geometries. The set consists of moulded balls of different colours and sizes along with connecting lugs of different sizes. The balls have holes to facilitate the fixing of lugs. Complete components moulded in polystyrene. The set comes nicely packed in a compartmented plastic box. Cat. No 2100200/1 Senior Set: The set consists of 185 connecting lugs and 375 balls of prescribed colours and sizes. Each compartment of the moulded plastic box has separate space for every particular colour and size of ball. 2100200/2 junior Set: The set consists of 37 connecting lugs and 75 balls of prescribed colours and sizes. Qty :