If so, try this!
Outward Hound Nina Ottoson Dog Treat Puzzle
Designed to increase mental stimulation and boost your pup's IQ, this challenging puzzle toy features an assortment of 20 treat compartments with removable lids that you can customize to different levels of difficulty. There are three options for your dog — they can either flip the lids, pull them, or slide them open. It comes with soft bone inserts you can use to make it tougher as your dog gets better at the game. The toy is lightweight enough that pups of all sizes can play and it's easy to clean with simple soap and water.