The Gazechimp 2 Interactive Toy Hanging Door Plush Mice Exercise Catcher Funny Cat Toy for Kitten is a great way to help your cat exercise and play. The plush mice are easy to handle and provide hours of fun for your cat. The door features an adjustable and retractable hanging mechanism that makes it easy to set up and take down. The chairs, cages, and other items can be used as part of your cat’s environment.