The 2024 Open House event is running Saturdays & Sundays from November 30th to January 5th from 10:00am-5:00pm. This will be a fun event for the entire family. Stop by and experience possibly the largest HO train display in the area. Relive your childhood and introduce your children to the joy of trains and Christmas time. Located at Columbia Historic Preservation Society 21 N 2nd St Columbia, PA.