Our Pet's Atomic Treat Ball Mini - 3" Assorted Colors Dispensing food/treat ball for dogs. Uniquely shaped ball rolls and slides in unpredictable directions, and has many different angles for the dog to grab on to and safely play with. This presents a physically and mentally stimulating challenge, making the dog work for its food. Reduces boredom and destructive behavior. The molecuball is made of tough, safe, non-toxic thermoplastic material.