The Kaytee Mega Run-About Ball is a large exercise ball designed for pet rats, chinchillas, and other small animals. Made by the trusted brand Kaytee in the United States, this toy provides an entertaining and safe way for your furry friends to stay active and healthy. Perfect for hamsters, mice, and other small pets, this ball offers a fun way for them to run and play, keeping them engaged and entertained for hours. This is a used item but still in great condition. The black spots are not dirt, my daughter tried making it pretty. Lol
eBay