Semi-Space Filling Molecular Model Set Frog Divided tray is ideal for

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Semi-Space Filling Molecular Model Set Frog Divided tray is ideal forThis Semi Space Filling Molecular Model Set contains a variety of colored plastic spheres to represent various atoms. Set includes 58 spheres representing non metals 23mm in diameter, 3 spheres representing metals 17mm in diameter, and 12 caps representing hydrogen are 18. 5mm. The 100 short connectors allow the spheres to sit in close proximity, providing a better representation of molecular shapes.