SBB ETR 524

by Brian Stephenson

SBB ETR 524 puzzle, based on an original photo by Brian Stephenson (photo copyright Brian Stephenson -- used with permission). Photographed at Amsteg-Silenen, Switzerland, July 29, 2019.

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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.