Molecular Model Set, Designed for a teacher or advanced student., Each

Details:

EISCO Teacher Molecular Model Set, 500 pieces: 230 atoms and 270 bonds. This teacher's molecular model set contains a large quantity of atoms for most basic chemistry models. It includes 45 carbon atoms (black) with 4 holes, 18 oxygen atoms (red) with 1 hole, 42 oxygen atoms (red) with 2 holes, 12 oxygen atoms (red) with 4 holes, 12 metal atoms (grey) with 2 holes, 10 metal atoms (grey) with 3 holes, 10 metal atoms (grey) with 6 holes, 36 hydrogen atoms (white) with 1 hole, 12 sulfur atoms (yellow) with 4 holes, 15 nitrogen atoms (blue) with 3 holes, 12 phosphorus atoms (purple) with 4 holes, 6 phosphorus atoms (purple) with 3 holes, 170 medium bonds, and 100 long (flexible) bonds.