On the lookout for a super challenging puzzle? You've struck gold with the Ravensburger Krypt Gold, 631pc Jigsaw Puzzle! The unique, hand-crafted puzzle cutting tool is based around a spiral design, so expect to find a variety of interesting shapes. And there is no design on the puzzle itself, just a simple gold finish on high quality linen-structured paper to minimize glare on the puzzle image. This ultimate jigsaw challenge can be enjoyed alone, with friends or family and would make a fantastic gift.