Molecular Model Part, Gray Ball, 2.2 cm, 4 holes, Pack of 10

Details

Part of a Molecular Model kit Gray Ball 4 Holes Pack of 10 Balls The gray balls with 4 holes each are parts of molecular model sets (which are used to provide a visual and kinesthetic aid for studying the structure and properties of various molecules). This 10 pack provides extras of this specific part (gray balls with 1 hole each) for addition to a full set or to replace lost part