Description: 【MULTIFUCTION】- The ball toy is a centrifugal scroll setting, and irregular scrolling keeps your pet busy. At the same time, it can also help you clean the floor. 【CONVENIENCE】- As long as there is a battery in the ball, it will scroll all the time. Stimulate your dog’s senses and last a few hours of attention to prevent unnecessary destructive behavior from boredom or anxiety. 【EASY TO INSTALL】- Turn on the ball and put in the 1AA battery (battery not include) inside the ball to start the power. (See the picture on the left for details) 【EASY TO CLEAN】- As a fashion pet magic ball, it is not only cute but also easy to clean.Just wipe with warm soapy water and lay flat to dry. We have 4 color ball covers for you to choose from. 【WHAT YOU GET】- 1 Rolling Ball + 4 Color Ball Cover Magic Roller