Molecular Models Red Polystyrene Trigonal Bipyramidal Oxygen Atom Center 2 Diameter Pack of 6

Package of six trigonal bipyramidal Oxygen atom centers to further personalize your kit or set. Atom center is a 2-inch diameter durable high-density polystyrene ball with uniquely designed bond receptors. The receptors in the 19 Series allow rotation at the bond atom interface while forming a stable cohesive attachment of your molecular model. Atom center is finished in brilliant enamel paints for years of use in your representations of chemical structures.