The phrase "different ages" means that people or things belong to various points in time or stages of development. They are not all the same age but vary in terms of when they were born or created. Full definition
Users can always remaining within the levels of control even if the tablet is shared by more than one child of different age groups within the household. (goodereader.com)
It gave you a dedicated section in the store that was aimed at different age groups of kids. (goodereader.com)
Dogs and puppy's chew objects around the house at different ages for many different reasons. (new.4pawsresort.net)