Treat Distribution: Our food dispenser has differently sized spheres at both ends. As dogs push the toy, it moves within a fixed area, allowing them to continuously chase and play. During movement, food is dispensed from the holes on both sides of the toy. Adjustable Switch: Each of the two spheres has a food dispensing switch, making it suitable for various sizes and types of pet dry food or snacks. The switch can be adjusted according to the different sizes of dog food. It also allows control over the amount of food dispensed, extending or shortening the time it takes for pets to obtain food. Increase Pet Intelligence: This dog treat puzzle toy combines intellectual training with food rewards. When pets push this toy, it stimulates their intelligence and hunting instinct. This design meets the needs of pets and encourages them to learn and grow through play. Prolonged Play: The dog enrichment toy is designed to limit the amount of treats your dog gets while encouraging more extended playtime. This is intended for effective playtime for dogs and is not a chew toy. It is a boredom buster and a gift to keep them busy when left home alone. Attract Dogs' Attention: With a barbell-shaped design and bright color, this dog puzzle toy ball can attract your dog's attention, stimulate their curiosity and encourage them to roll it. Size: 6.1 x 3.44 x 3.44 inches / 15.5 x 8.7 x 8.7 cm. Material: This dog interactive chase toy is made of sturdy ABS material. The surface of the product has a curved design, so there is no need to worry about the dog being scratched during use. The design also makes rolling quieter while playing. It is suitable for small, medium and large dogs.