Prevue Pet Products Three Story Hamster/Gerbil Cage Three-Story Hamster and Gerbil Cage Includes an exercise wheel, 2 platforms, 2 ladders and a house Easily access your cage from the roof-top door Cleans quickly thanks to the removable grille and pull-out tray 14-1/2-Inch long, 11-1/4-inch wide, 22-inch high