This fun and sturdy cat 32" tall scratching post is designed using the Easy Kitty Building System. All components are easily replaceable or switchable. The base, post, dangling pom-pom toy and spring toy may all be replaced or changed to keep your cat engaged while making it easy to add, extend or replace toys at your convenience. Detachable spring and dangle toys. Hassle free replacement parts. It comes with all the necessary hardware for a quick and easy assembly. The Cat Craft Easy Kitty Quick Connect Double Spinning Topper is included as standard on this item.