Rainbow Climbing Ladder Toy for Pet Dwarf Hamster Gerbil Rat Chinchillas Guinea Pig Squirrel Small Animal House Cage Toy Size: 3.7* 3.3* 5.5 inches. Made of natural wood , safe for your small animal. Fun to play, climb and rest,relieves boredom and increases activity level. Climbing Ladder provides your pet with a nice place for exercise and playing. Suit for small animals ferret, rat, hamster, squirrel, chinchillas and other small furry animals.