The first stop was the Tin TIn Shop. Tin TIn is a famous European cartoon character from comics that were published from 1929-1976 by a Belgian cartoonist. It has been one of the most popular comics of the 20th century in Europe, but apparently never took hold in the U.S. We bought a Tin Tin comic book, but the kids really didn't know much about Tin Tin or his cute dog Snowy so we didn't stay long in the shop.
All in all it was a really successful day, of course by the time we are taking the trains home the kids are tired and the excitement is gone and they get cranky and disruptive, whereupon "Mean Mom" comes out. But we seem to be lasting longer and longer before we hit that breaking point, for which I'm grateful.