1.[Adjustable Food Dispenser]The two spheres each have a food distribution switch for various sizes and types of pet food. The switch can be adjusted according to different sizes of dog food. It can also control the amount of food dispensed, extending or shortening the time it takes for pets to get food. 2.[Unique Design]The toy has different-sized spheres at each end that dogs can push and roll, encouraging constant play and engagement. As the toy moves, food is distributed through holes on either side. 3.[Boost Intellectual Development]Dogs can use their sense of smell to find food in the dispenser hole and then use their nose or paws to move the toy. This interactive process not only distributes food as a reward when the toy moves, helping to train their intelligence, but also expends excess energy and keeps them active and engaged. 4.[Safe and Materials]The raw material of this product is made from food grade ABS, ensuring complete protection of your dog's .Its sturdy construction makes it resistant to damage caused by pets, giving you peace of mind while your furry friend enjoys hours of entertainment.