Happy Dog Toys Thing in a Bag For Cats 1ea Looks like an ordinary brown lunch bag but is made from a durable, claw and bite resistant material. Inside the bag are crinkly-sounding materials and a randomly activated motor that makes the &ldquo;thing&rdquo; come alive. Random motion will keep your kitty wondering for hours what is inside. Has on and off switch. Uses 3 AA batteries, not included.