Sock-R-Ball is made to put a dirty sock in and watch your ferret go crazy! It's no secret: ferrets love the scent of smelly socks. With Sock-R-Ball and one of your own socks, you can provide the perfect playtime sport for your ferret. If socks aren't your ferret's thing, Sock-R-Ball can be filled with your ferret's favorite treats and be just as much fun. Let the games begin!!