Discovering Cylinders

A cylinder is made up of both flat and curved surfaces. Steamrollers use cylinders to move and to flatten things. Learn more about what cylinders are and what they are used for in Discovering Cylinders, a title in the 3D Objects series. 3D Objects is a series of AV² media enhanced books. A unique book code printed on page 2 unlocks multimedia content. These books come alive with video, audio, weblinks, slide shows, activities, hands-on experiments, and much more.