Product description: Vision Scientific-VCM004, Large Molecular Model Kit:

Learn chemistry by putting the elements together to create a visible structure to learn from! This is an excellent set for students ranging from middle school to university. Inorganic and organic molecules, as well as crystal molecules like graphite and diamond are available to make and study. The flexible red tubes allow for easy demonstrations of double bonds and triple bonds. This ball and spoke molecular model set includes 175 plastic spheres, 225 rigid plastic connector tubes and 10 flexible tubes. Spheres are 30mm in diameter, except for hydrogen which are 23mm in diameter. The holes on the molecules are properly placed to make realistic figures. Set includes plastic storage case.

About Vision Scientific

Vision Scientific is a leading supplier of scientific products throughout North America. Owned and operated by veterans in the scientific equipment industry who value quality, it has served the educational, medical and industrial sectors for over 30 years.
Our technicians have years of first-hand experience and have extensive knowledge on the equipment we sell. We provide maintenance and repair parts from our stock on-hand. Vision Scientific keeps an open line of communication for everyone. You can communicate through Amazon and our supporting staff will answer you as quickly as possible. We truly believe here at Vision Scientific, that our company and our products are unique from any other merchandising providers.