This item is currently on MANUFACTURE BACKORDER. We recommend trying Cat Toys The Fling-ama-String Cat Toy hangs on any standard door knob. It is battery-operated and can run for hours. A long string is sewn to a soft, flat elastic conveyor belt which constantly rotates to bring the string out and then back in. Even if the string is caught, the string will automatically begin to rotate again after it has been released! The toy has 2 speeds to satisfy the frisky or faint feline. The Fling-ama-String was a Best New Products Showcase winner at the Global Pet Expo. Takes three AA batteries not included . Hangs To Knob On The Front Of Any Standard Door Best To Keep Door Closed When In Use No Assembly Required Has Two Speeds Improves Paw-Eye Coordination Entices Even The Laziest Of Cats Just Like Having A Personal Trainer For Your Cat! Requires 3 AA Batteries Not Included It Will Bring A Smile To Your Face Watching Your Cat Play To Its Heart's Content Measures About 29 Long