Wondering how to play hide and seek with your pet? How about a snuffle ball, a unique pet brain training ball that allows your pet to find snacks or small toys hidden in the ball. This pet brain toy encourages your pet to forage naturally, effectively slows pet feeding down to prevent digestive problems. Challenge your pet and stimulate their senses and enjoy countless hours of entertainment with your pet. You will receive 1 ball in each size for a total of 4 or order separate. Sizes: Small: 3” Ball Medium: 4” Ball Large: 5.5" Ball Extra Large: 7” Ball