Because this product will strongly attract cats so that they have fun, it is recommended to play for 20 to 30 minutes each time. Playing too long will result in a considerable overdimensioning of cat endurance the interactive toy ball for cat rolls better on hard floors, but may not ride on thick carpets. Please buy carefully. Please do not play in the stairwell to prevent damage. Product Name: Toy for Car Cat Balance Weight of the product: 200g size of the package: 161 * 76 * 73mm Delivery color: The first main image will prevail Quantity delivered: 1 piece The funny chat ball / Funny cat feather can be assembled and used freely, no electric drive is necessary.The toy can move alone while the cat plays. When the product is erected, it can swing back and forth to attract cats to play. The toy can be moved by the external force of the cat, and it can also be moved by the weight of the main body swinging from front back. When the product is placed horizontally, the toy rotates like a