HGS Molecular Structure Model C Set Organic Chemistry W. H. Freeman Kit HGS Molecular Structure Model C Set for Organic Chemistry distributed by W. H. Freeman and Company. This comprehensive kit includes various colored polyhedral atom centers, bonds, and orbital plates designed for building complex organic chemical structures. The set is housed in its original clear plastic divided case, keeping components organized for student or professional use. Ideal for visualizing stereochemistry and molecular geometry. Please review all photos as they show the exact item and condition. Measurements: • Case Width: 7.5" • Case Depth: 3.75" • Case Height: 1.25" #Vintage #Casual