Amazon.com : Cat Wall Shelves Cat Bridge with 2 Steps, Cat Wall Furniture and Cat Climbing Step for DIY Cat Highway and Cat Wall, Cat Shelves and Perches for Wall, at Scratching
How to build a hang bridge for cats. - YouTube
Amazon.com : FUKUMARU Cat Bridge Wall Mounted, 12.8 in Wider Cat Shelf and Cat Climbing Step for DIY Cat Highway and Cat Wall, for Most Kitten, Medium and Large Cats : Pet Supplies