Jay and Carolyn Buffenmyer of Palmyra, Pennsylvania, are dismantling their intricate model train display, built over 56 years, and donating proceeds to charity.

Dec. 4—Getting your Trinity Audio player ready... Multiple generations of adults can vividly recall waking up on Christmas morning to find a model railroad train set circling around the holiday tree.

For many American families, Christmas isn’t Christmas without a tree decorated with lights, ornaments, tinsel – and an electric train circling merrily beneath. No one knows precisely when the train ...