They are targeted at different ages(at least that is how I interpret them). My 18 month old and 3 year old both love Word World and Super Why. I had expected

They are targeted at different ages(at least that is how I interpret them). My 18 month old and 3 year old both love Word World and Super Why. I had expected my 3 year old to move on to something like Reading Rainbow in the near future, but it is too old for the 18 month old.