Animal-activated pet feeders that include dispensers for releasing pet toy feeder balls with pet food and pet treats therein; Cat litter pans; Drinking troughs for animals; Drinking vessels; Filters for use in cat litter boxes; Grooming tools for pets, namely, combs and brushes; Household storage containers for pet food; Pet feeding and drinking bowls; Pet grooming device comprising a sprayer nozzle and an attachment that connects to a water source and to a reservoir for a conditioning agent;...