Hanayama Level 2 Cast Puzzle - Disk - The Hanayama Disk Puzzle is a product of the Dutch designer Oskar van Deventer. Nob Yoshigahara"s, perhaps the world"s top puzzle creator, met his close friend Oskar at the World Puzzle Designer"s Forum in Los Angeles in August of 2000. Nob considered Oskar van Deventer one of the world"s sharpest minds and now you can experience what Nob discovered in L.A. upon meeting his brilliant friend. Can you take it apart and put it back together again?