KONG Bat-A-Bout Glow’s fiber optics shine when cats tap the bowl, illuminating an irresistible undersea world rippling with a rainbow of light as the fibers move, inviting batting and satisfying nocturnal instincts. The wobbly bowl, dangling fish, and fluttery feather movements intrigue while KONG Premium North American Catnip inside the fish extends the fun. Batteries included; on/off switch. Multi-colored, motion-activated fiber optics ignite batting Wobbling bowl and dangling fish grab attention Multi-sensory toy satisfies hunting and nocturnal instincts Batteries included; on/off switch Fish are filled with KONG Premium North American Catnip