This 31-atom molecular model set includes color-coded atom pieces and 20 short links (16mm) for building simple molecular structures. Atoms are coded by element: hydrogen (white, 1 face), carbon (black, 2 and 4 faces), oxygen (red, 1 and 2 faces), nitrogen (blue, 1 and 3 faces), and chlorine (green, 1 face). Components range from 30-50mm in diameter. The set supports visual and hands-on teaching of VSEPR theory, covalent bonding, 3D molecular geometry, and simple compound formation. Students can model structures such as water, carbon dioxide, methane, and ammonia. All parts are stored in a durable hard plastic case for safe transport and classroom use.