Light up your cat's playful side with the Turbo Replacement Twinkle Ball! This ball toy features a motion-activated light for added stimulation during playtime. Send it racing around the Turbo Scratcher, Star Chaser, Mega Turbo, Hurricane or Cyclone cat toys for hours of fun and exercise! Added stimulation during playtime with its motion-activated light. Pairs with the Turbo Scratcher, Star Chaser, Mega Turbo, Hurricane or Cyclone cat toys. Encourages active play and exercise. Provides engaging mental stimulation.