Dual-scale models, open and compact, easy to assemble and disassemble, convenient size and strong internationally colour-coded. Organic structures, conformational analysis, stereoisomerism, enantiomerism, geometric isomerism, monosaccharides, amino acids, aromatics, organo-metal complex ions. Contents: 30 hydrogen white, 14 carbon black (4-holes), 6 carbon black (5-holes), 6 oxygen red (4-holes), 4 nitrogen blue (4-holes), 2 nitrogen blue (5-holes), 8 chlorine green (1-hole), 2 bromine orange (1-hole), 2 iodine purple (1-hole), 2 metal grey (6-holes), 40 grey single bond links, 12 grey multiple bond links, 50 white short links, 1 short link remover tool, 1 instruction leaflet. Commonly used in Queen's Unversity organic chemistry courses.
