Silent Hamster Mini Running Activity Exercise Ball 4.72 Inch Toy Transparent Hamster Ball(Blue) The product is shipped based on the color or size of the main image of the product page. Colour:blue Product description Made with pet safe materials.Relieves boredom and increases activity level and giving him a fun spot to play Ideal for hamster, mouse and other small furry animals.Encourage healthy exercise in a secure and safe way Makes a great temporary holding area to keep your furry friend while you clean their home 4.7-inch diameter .For dwarf hamsters, mice, or other small animals Fun exercise toy to maintain your pet’s alertness and agility.Provides interactive fun for the pet and the pet owner If the pet uses it for the first time and cant play. It is recommended that you do not need to worry. You can leave the little pet in the running ball for 1-2 hours, let the pet become familiar, remember not to be reluctant, or it will aggravate the fear. After familiar with the toy, the