Your clothing is made of them. Your computer, tennis racket, and books are too. These items are all made of polymers.
Polymers are extremely large molecules, or macromolecules.
You can learn all about them at the Macrogalleria - a mall designed for polymer study. Start on the first floor where you see a sampling of things made with polymers, then move up to higher levels of the galleria for more detailed information on polymer chemistry. Follow the link for students and teachers for ideas on how to use this site. You will need a plug-in application for your Web browser. Click on the 'Chime now' button at the top of the first screen to download the appropriate plug-in.