Queensland Rail Multiple Unit 100 Series puzzle, based on an original photo by Peter Reading (photo copyright Peter Reading -- used with permission). Photographed at Sunshine Coast, Australia, May, 2020.
Click here for more information about this photograph
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.