Super Pet FerreTrail Roll-About Small Animal BallYour ferrets will have a ball playing hide-n-seek with their very own Roll-About Ball. Ferrets, guinea pigs, dwarf rabbits, chinchillas and pet rats love playing in and climbing through the six openings on Roll-About Ball. Roll-About Ball is safe for use inside any pet's home and is perfect for interactive playtime outside the home. Roll-About Ball can also be attached to FerreTrail Fun-nels with the use of FerreTrail Add-on Attachment Ring that is sold separately. With openings on every side of the Roll-About Ball, the possibilities are endless for the FerreTrail Fun-nel system you can create for your favorite pet!