the citikitty toilet training kit uses a proven, disappearing litter box technique that has successfully toilet trained cats for decades and is endorsed by veterinarians and cat behaviorists. our specially-designed patented training seat and easy-to-follow instructions help your cat transition to the toilet. any healthy cat, three months of age or older that is successfully using a litter box is a candidate for toilet training. citikitty offers the most gradual training process of any cat toilet training product on the …