Alfie Pet by Petoga Couture - Scoot 3-Piece Toy Set for Mouse, Chinchilla, Rat, Gerbil and Dwarf Hamster This is a set of 3. The wheel measures 6 in height and width. 2.5" in depth. The hideout measures 6"W x 4.5"H x 5.5"D while the seesaw measures 6.75"W x 3"H x 2"D Ideal for hamster, mouse and other small furry animals. This is a fun way to exercise your small animal pets; relieves boredom and increases activity level. They will love it and be entertained for hours. Add a colorful look to your pet's home, while giving him a fun spot to play. Made with pet safe materials. Easy to clean and resistant to odors.