by Colin Arnot
Canadian National Railway 4-6-2 puzzle, based on an original photo by Colin Arnot (photo copyright Colin Arnot -- used with permission). Photographed at Mossleigh, Alberta, June 2, 2019.
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.