Features: Motion Sensor Activations: The toy activates with a simple touch, encouraging your cat's natural huntings instincts, and then intelligently choose the routes to avoid Tail Design: The attached tail mimics prey, adding an extra elements of fun for your pet to grab and play with. Bite resistance and durability: Soft and skin friendly silicone wrap, in addition to rolling quietly, increases friction, and takes into account bite resistance and durability. Captivating LED Lights: Spark your cat's curiositys and chases instincts with the vibrant, flashing LED lights that dance and twirl as the ball roll. Physical & Mental Stimulations: Encourage your cat's natural hunting-instincts and provide both physical exercise and mental stimulations, reducing boredom and destructive behavior. 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: PC+Silicone Size: 5*5* 8.7cm Package List: 1x Electronic Interactive Cat Ball