by Jeff J. Bray
Central Maine and Quebec Railway B23-7 puzzle, based on an original photo by Jeff J. Bray (photo copyright Jeff J. Bray -- used with permission). Photographed at Hampden, Maine, January 20, 2020.
The "Easy" version of the puzzle has about 100 pieces, "Medium" has about 200 pieces, "Hard" is about 300 pieces. For the Online puzzles, see the Online Puzzle Tips.