EXTRA STURDY CAT FURNITURE: Rambunctious cats tromping all over their playsets? Not a problem. Kitty City 2.0 sets have upgraded interlocking end pieces that stay put once assembled. And the frame is easy to take apart as well – just push in and pull! ENDLESSLY CUSTOMIZABLE: With an easy-to-assemble modular design, Kitty City 2.0 sets are can be rearranged any time your pet needs a change of pace. Even better, it’s compatible and expandable with any other Kitty City 2.0 set – mix it up again and again! PLENTY OF WAYS TO PLAY: The Kitty City Cat Furniture Kit combines a cozy felt-sided cove, plush polyester nap pad, sisal scratch post, swattable balls, plus multiple levels of play all in one tower to entertain your pet. It’s a ton of fun for a small footprint in the corner of your home. STURDY AND COMFORTABLE: Made of durable, reliable plastic and metal locking connectors, soft felt walls for the cat cove, natural sisal scratch surfaces, plus sturdy plastic panels that won’t sag over time. It’s built rugged enough for multiple cats!