Features: Automatic ball launcher: No need of electricity, automatic feeding, interactive toys, your dog will likes it very much. Dogs favorite game: When your dog puts the ball in, after the launching, the food will come out automatically. Keep pet busy: Even if you are very busy, it can help your pet stay health, relieve stress.  Space saving: Easy to place indoors or outdoors, suitable for free corners. Reward machine: elastic tennis ball, suitable for pet of different ages. With removable physical disk on both sides, it is clean and hygienic. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement                Description: Material: ABS Size: As picture show  Package List: 1 Set Automatic Tennis Ball Launcher