Big day! Avid birdwatchers from around the world are trying to find as many bird species as possible in a single day. The Jan van Haasteren family is enthusiastically participating. Santa Claus seems to have gotten lost while birdwatching. Take a look yourself; which birds can you recognize? Jan van Haasteren puzzles are full of color and detail. For decades, Jan van Haasteren has been creating humorous illustrations that will always surprise and make you laugh. True fans know Jan van Haasteren 's unique characteristics and immediately look for the shark fin, Santa Claus, the hands, the dentures, and Jan's self-portrait in every puzzle. Jumbo has dozens of Jan van Haasteren puzzles in its collection, ranging from 54 to a whopping 5,000 pieces.