Games Like LineArt Jigsaw Puzzle - Airplanes

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.