The Armarkat model B3803 Classic cat tree has three fun tunnels on three levels. Cat Daddy Approved by noted cat behaviorist Jackson Galaxy, there are three convenient steps for your feline, with each platform 11" deep.f and B Bullet:38" High Ivory cat Step Stairs ramp is suitable for cats and Dogs Climber and Kitten Steps.Crafts with Scratcher and Tunnel for squeeze, snoozing and hiding fun.Made of 1.5mm pressed wood with a high density faux fleece covering for felines' comfort and soft.Dimensions:Base Dimensions:24" x 20" . Playhouse Dimensions:12"(L) x 8"x 10"(H).Six-month warranty included.Replacement parts available from the manufacturer.