An importer of children’s toys, Fun ‘N Games, Inc., receives a price quotation from a German toy maker offering toy train sets: “KBG train sets. Locomotive. Four cars. Transformers. Thirty pieces of track. Minimum order thirty sets. $7,500 C.I.F. Baltimore.” Fun ‘N Games, Inc., sends an order stating: “Ship thirty KBG train sets: to include locomotive, four cars, transformer, forty pieces of track,” along with a check for $7,500. Was the price quotation from the German toy maker an offer? If it was, how does Fun ‘N Games’ change in terms—“forty pieces of track”—affect acceptance? If the German toy maker ships the thirty sets with “thirty pieces of track,” does a contract exist? Decide the case under the common law, the UCC, and the CISG.