Eisco Labs Molecular Model Part; White Ball; 1.5cm; 1 Hole; Pk of 10

The white balls with 1 hole 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 (white balls with 1 hole each) for addition to a full set or to replace lost parts.