Smart Cat Toys Automatic Rolling Ball Electric Cat Toys Interactive For Cats Training Self-moving Kitten Toys Pet Accessories Description: Material: ABS/Silicone Size: 43mm in diameter Weight: 40g Battery capacity: 80mAh Color: pink, blue Specifications: Automatic Rolling: The toy automatically rolls when your cat plays with it, keeping them engaged and entertained. Interactive: The toy is designed to be interactive, allowing your cat to chase it, pounce on it, and play with it. Training and Stimulation: The toy is a great tool for training and stimulating your cat's hunting instincts and physical abilities. Self-Moving: The toy moves on its own, adding an element of surprise and excitement to your cat's playtime. Durable and Safe: The toy is made with high-quality, safe materials and is designed to withstand even the most active playtime.