Better QualityOur dog educational toys upgrade manufacturing materials, using better safety and non-toxic ABS material for pets long time playing. Will not easily let the dog tear bad, very durable, parts will not loosen and fall off, dog Puzzle toys for small, medium and large dogs use.New Design We have redesigned the dog puzzle toy, the new design of the dog puzzle toy can instantly attract your pet's attention, and the larger size and more food storage holes bring more fun for your pet. multiple steps game designed, better for mental exercise & treat training.Difficulty-Level AdjustableThis dog puzzle toy makes it easier to adjust the difficulty by removing some slider pieces to excite your pet at the right difficulty and installing more sliders to increase the difficulty, adding challenging, awesome puzzles for smart dogs. No need to worry about your dog using too hard or too easy.Slow Feeder & Easy To CleanThis pet puzzle toy is also a slow feeder that helps slow down your dog's eating speed, effectively extending feeding time by 5-15 times. Easy water cleaning is great for pets' daily healthy feeding.Brain Exercise and Eliminate BoredomDog puzzle toys can keep them busy and can also improve your dog's IQ. Our large dog puzzle toys provide a fun way for dogs to be treated with these interactive dog games that enhance the bond between pets. This dog-treat puzzle toy will stimulate their brains for your dog's training. Tip: Do not leave your dog alone!