The locks is the title of this Jan van Haasteren 1000 piece jigsaw puzzle and, as with all of his illustrations, you are sure to find this puzzle extremely enjoyable while laughing at all of the individual illustrations. The finished puzzle image captures a highly comical scene at a river lock, but as with every Jan van Haasteren puzzle, not everything is going to Plan with the extremely overcrowded river full of many different forms of watercraft and very interesting characters!