Challenge your pup to some rewarding brain-teasing fun with the SmartyPaws Puzzler Panel Sliders dog toy! The all-new Panel Sliders interactive toy from ZippyPaws teaches them problem solving skills for a fun and engaging way to receive treats or kibble!Panel Sliders feature sliding panels with raised bone designs that your dog must move to access the treats inside. Two of the panels are stationary for added difficulty. Simply pull out the tray to load with treats, slide it back in, and sit back and watch as your dog works on their problem-solving skills. Non-slip base to prevent sliding.