Challening 6 x 6 jigsaw puzzle featuring line drawings of iconic airplanes by LineArtBabe, on a smooth background.Relaxing background music. The game features 12 puzzles which you can solve in any order of your choice.The game is a bit more challenging as all puzzles are line art based and a bit more difficult.There is no time limit, but there is a timer in case you want to see how quickly you can solve each puzzle.