by Ian Green
Southern Shorthaul Railroad S Class puzzle, based on an original photo by Ian Green (photo copyright Ian Green -- used with permission). Photographed at North Geelong, Victoria, Australia, November 24, 2017.
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.