KONG Wrangler toys ignite multiple senses stimulating kittys natural desire to pounce, wrestle, scratch and knead promoting active play. The unique chirping sound calls kitty to a rolling, crinkling, pounce-fest, igniting your cats natural instinct to chase and wrestle. As KONG Wrangler Chirpz rolls, the bright boa tail twitches making it an irresistible invitation to your cat who can stretch and pull during long-lasting, active play sessions.