Molecular Models Set, Introductory

A basic introductory set designed to help students understand chemistry. Packed in compartmented moulded plastic box. Comprises Spheres: Carbon – 12 Oxygen – 7 Nitrogen – 2 Sulphur – 1 Halogen – 6 Hydrogen – 20 Links: Short Grey – 33 Long Grey – 12 Hydrogen Connectors – 29 With instruction leaflet.