ENHANCING DOG PUZZLE TOY: dogs can smell the smell of food through the toy distribution holes, stimulate them to roll the toy with their nose or claws, and the food will be distributed from the food holes on both sides of the distributing dog toy. Pets will receive rewards, interactive enhance their puzzle and brain development, enrichment spirits,dog toys to keep them busy, consuming excess energy..ADJUSTABLE SLOW FOOD DISPENSER: treat dispensing dog toys two balls can adjust the size of the holes according to the size of the food (able to accommodate various sizes and types of pet food) and the dog's eating speed, controlling the amount of pet food and maintaining the dog's gastrointestinal ..INNOVATIVE DESIGN: this dog puzzle feeder design features two different sized spheres that allow dogs to roll in a specific area, making it easy to clean up food residue after use..SAFE MATERIAL: this puzzle toy is made of high-quality food grade ABS material and does not contain any bisphenol A, PVC, or phthalates, so you can use it with confidence for your dog. This is a tough, durable, non-toxic, and dog treat toy..PUPPY AND MEDIUM-SIZED DOG TOYS: this dog puzzles for smart dogs interactive dog toy is suitable for small and medium-sized dogs and cats, and can pass the dog's boring time and keep them busy. It's a great gift for dogs and cats.