Multi-layer Structure Design -- 2 spacious hideaway houses offer super soft and warm lounging spots; multiple scratching posts are covered by natural sisal ropes which is perfect for your cats to scratch, climb and become active; 2 top perches platform and a plush hammock will provide a lot of lounging room and fun to your kitties; 2 interactive jingly ball to play with. Multi-layer structure design, convenient for cat's scratching, climbing, sleeping, and exercising.