Interactive cat toy Spring steel wire and rolled cardboard create an irresistible lure for cats and great fun for cat It reminds your cat of its favorite things, like birds, butterflies, and scampering mice Home-tested by over 8 million cats Cat Dancer is the original interactive cat toy. Spring steel wire and rolled cardboard create an irresistible lure for cats and great fun for cat lovers. Home-tested by over 8 million cats.