Why do your pets need a sniffer toy? Some experts have said that using this type of sniffer toy mat for 10 minutes is equivalent to 1 hour of exercise. With this pet puzzle toy, you: 1, can stimulate the dog’s search for food, make him sniff and train his sense of smell. 2, can help your dog eat slowly, which is good for digestion and makes eating time more comfortable. 3, Expend the animal’s extra energy to avoid becoming bored or worried and engaging in destructive behavior.