Automatic Interactive Infrared Cat Toy: This Cat Laser Toy has automatic sensor switch, which can swing back and forth when your kitten touches it. Infrared light appears on the toy's head to attract the cat's attention, meanwhile it also mimics the sound of a chicken LOL. Infrared light stops immediately when the toy stops swinging 100% SAFE for Kittens: This interactive cat toy is made of environmentally friendly and healthy imported food-grade ABS+TPR material. Non-toxic, odorless safety durable and will not fade. And the red laser DO NOT hurt the cat's eyes Tumbler Design: This cat toy is designed for avoiding being tipped over when cats play with it. There is a self-weight balance system and a flexible wheel design, When the cat touches the chicken head, it will swing back and forth and move forward automatically Great Interactive Toy: This toy allows cats to play by themselves. And of course you do have to teach, play with the toy as the cat watches. Once they get the idea of how the toy react when touched onward the cats play. If you are busy and have no time playing with your cat, you can just turn on the toy. Cats will be interested, especially for kittens USB Charging: This cat toy is USB chargeable. The cat toy does not require batteries. Just plug it in to your computer and charge up. And the laser cat toy can work 6 hours after full charge for 2 hours