If your cat still fails to use his box, try covering the entire floor of his small confinement area with litter. (petenrichments.com)
After several weeks of using this small confinement area, you can start to gradually enlarge it — enlarge the area slowly so your puppy does not revert back to having accidents outside the pee pad. (pawster.com)
Use baby gates or an exercise pen to create a small confinement area for your puppy when you need to leave him alone — you will gradually increase the size of this space until your puppy is fully trained and has free reign of the home. (pawster.com)