Animal-activated pet feeders; Animal-activated pet feeders that include dispensers for releasing pet toy feeder balls with pet food and pet treats therein; Automatic pet feeders; Cages for household pets; Pet dishes; Pet grooming device comprising a sprayer nozzle and an attachment that connects to a water source and to a reservoir for a conditioning agent; Pet litter box liners; Pet treat jars; Racks and stands for elevating pet feeding bowls and dishes