Introduce your students to the fast, fun and entertaining world of centrifuge demonstrations! Perform a wide array of physical science and chemistry demonstrations, such as the Standing Wave Generator, Newton’s Color Wheels, Butterfly Orbital and Centrifugal Hoop using the Bracken’s Demonstration Spinner’s powerful motor. Best of all, you only have to purchase one demonstration spinner to perform all of these exciting demonstrations! Easy-to-use, low-cost device provides many hours of service. Operates on one D battery (included).