Trenord ETR 425

by Mario Serrano

Trenord ETR 425 puzzle, based on an original photo by Mario Serrano (photo copyright Mario Serrano -- used with permission). Photographed at Milano Centrale, Italy, September 29, 2014.

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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.