Christmas must be coming if the Great Trains Holiday Exhibit is opening at the Wilton Historical Society. The annual display - An Interactive Wonderland - opens the day after Thanksgiving, Friday, Nov. 27, from noon to 4.Dressed for the holidays, the society's 18th and 19th century buildings are transformed into a train lover's delight with eight train layouts winding through tiny towns with many different kinds of buildings, tunnels, cable cars, and two working Ferris wheels. New this year: a Wilton-themed HO layout; expanded "O" gauge layout; and a working Lego train set.The interactive display enchants visitors of all ages with lots of buttons to push and knowledgeable "train engineers" on hand to "talk trains." In a special train room for the youngest guests, there are buttons galore plus Thomas the Tank Engine and a Brio set for hands-on fun.The Great Trains Holiday Exhibit will run from Nov. 27, through Monday, Jan. 18, 2016. Hours are: Thursdays - Saturdays, 10-4; Sundays noon-4; Wednesdays by appointment.Admission is free for members of the society, and $10 for non-member adults. The historical society is at 224 Danbury Road.Information: wiltonhistorical. org.