Contains a total of 52 atom parts plus links:
6 x   Carbon, 4-holes tetrahedral, black
6 x   Oxygen, 2-holes angular, red
1 x   Oxygen,  4-holes tetrahedral, red
14 x Hydrogen, 1-hole, white
2 x   Nitrogen, 4-holes tetrahedral, blue
1 x   Nitrogen, 3-holes pyramidal, blue
1 x   Sulphur,  2-holes angular, yellow
1 x   Sulphur,  6-holes octahedral, yellow
1 x   Phosphorus, 5-holes trigonal bipyramid, purple
1 x   Phosphorus, 3-holes pyramidal, purple
6 x   Halogen, 1-hole, green
1 x   Boron,  3-holes trigonal planar, beige
2 x   Metal (Na),  1-hole, grey
2 x   Metal (Ca, Mg) , 2-holes angular, grey
1 x   Metal (Be), 2-holes linear, grey
1 x   Metal (Al), 3-holes trigonal planar, grey
1 x   Metal (Si, Cu), 4-holes tetrahedral, grey
1 x   Metal, 6-holes octahedral, grey
1 x   Various, 4-holes tetrahedral, sp3, beige
1 x   Various, 5-holes trigonal bipyramid, dsp3, beige
1 x   Various,  6-holes octahedral, d2sp3, beige
12 x Links, flexible long, grey, ML-13
20 x Links, medium, grey, ML-12
5 x   Links, medium, purple, ML-11

Supplied in one 4-compartment box with illustrated instructions