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Molecular Models Organic and Inorganic Chemistry Molecular Model Set, Instructor's Set (259 atom parts)
The Molecular Models organic and inorganic molecular model set for students in grades 7 through university includes 192 color-coded plastic atom parts and 260 bonds in a storage box. This set provides teachers in grades 7 through university a hands-on activity to visually demonstrate inorganic molecules, organic structures, and other concepts of inorganic and organic chemistry. The atom parts and links for assembling models are made from durable plastic and are color coded to national standards for ease of identification. Atom parts range from 17mm to 23mm in diameter and represent carbon, oxygen, hydrogen, nitrogen, sulfur, bromine, chlorine, iodine, phosphorus, fluorine, and metal. It comes with 

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Price: $55.77