Check the listing for details. NEW Prentice Hall Molymod Molecular Model Set For Organic Chemistry. Condition: New. Listed at 29.46 USD. The NEW Vintage 1984 Prentice Hall Molymod Molecular Model Set is a classic educational tool designed for organic chemistry students and enthusiasts. This set allows users to build various molecular structures to aid in understanding complex chemical reactions and concepts. With its detailed instructions and durable components, this set offers a hands-on approach to learning and exploring the world of chemistry. Perfect for students or hobbyists looking to deepen their knowledge of organic chemistry.