Watch your cat go wild with the Catnip Hurricane from Bergan;Place catnip in the center of the toy and give the 2 balls a whirl - the balls' rotation circulates the catnip's captivating aroma into the air;Comes with catnip and 2 small balls;Measures 15'' x 17'' x 17'';Bergan products are designed to help you enjoy life with your pet