Brand New Cat Toy - Automatic irregular rotation design create an interesting and funny experience for your kitty. The toy will make birdsong sound while working, and the sound of bell which attached to the feather will attract the cat's interest. bringing unprecedented hunting experience in the process of play. It can drive on almost any household surface, perfect for your indoor cat. Feather Accessories - In addition to the cat toy ball, there are 4 pieces of replaceable feather accessories with different colors in our package. Please note that one feather has no bell, it is not defective. It’s easy and convenient to connect toy ball and feather. Automatic Rotation - Put 2 AAA batteries into it and turn on the button, this toy will start to rotate and roll irregularly, accompanied by the birdsong sound. You can imagine that as soon as your cat hears the sound or see the fluttering colorful feathers, it starts hunting for it, he stalks it and pounces on it, what a funny time for your cat. Easy to Use - This toy just needs 2 AAA batteries to run, the installation is very easy and the tools needed are in the package. You can refer to the the installation which is in the images and video of detail page. Do not worry about cat playing too tired, because it will automatic turn off and runs 15 minutes / time. Perfect Cat Toy - Do cats scratch sofas and furniture when you go out? Or get bored and sleep all day? This interactive cat toys is the best playmate for your cat, which brings kittens lots of fun. Keep cats fresh all the time and attracts kitty to exercise.