This large and sturdy cat bed is designed using the Easy Kitty Building System. All components are easily replaceable or switchable. Designed to entice your cats to curl up and sleep. This Cat Bed is perched on a Jumbo Dura Carpet cover scratching post. Easy Kitty Quick Connect spring and dangle toys may be added to the bottom of the bed and to the base.. This cat bed includes the tools, hardware, and instruction sheet for quick and easy assembly.