Interactive Rolling Dog Ball: The rolling ball dog toy is the ultimate entertainment for your furry friend. Just press a button and this interactive rolling ball will start to spin, move and shake, attracting your dog to chase and catch itSmart Obstacle Avoidance Dog Rolling Ball: The electric rolling ball dog toy has built-in intelligent motion sensors and automatic obstacle avoidance system. When the dog ball encounters obstacles or narrow places, it will reverse and move away by itself. So don't worry about the interactive dog ball getting stuck in the cornerThree Modes Smart Cat Toy Ball: The interactive cat ball toy has three built-in modes: fast mode, slow mode, interactive modeHigh-quality materials: The outer shell of the rolling ball dog toy is made of environmentally friendly, impact-resistant silicone material, which is soft and skin-friendly. The rolling friction is strong and quiet, and it will not be broken by walls or dogs and cats.