You all know that we love to travel and, it is especially fun to have grandchildren along.  Depending on their ages and the trip length, there are certain necessities that you may want to consider to make your life (and theirs’) a little bit easier.     The first, and I believe most essential is that they have their own age- appropriate luggage.  Whether you check it or stow it, find something that they can easily handle in the airport and on / off trains.  It doesn’t have to be new – one  ...