Created by Finland's Vesa Timonen, the Hanayama Cast Square is a puzzle that consists of 4 pieces that combine to form a square. Will you be able to take it apart? The Hanayama Cast Square key word is “Orientation”.The pieces of the Hanayama Cast Square have a secret: each time their arrangement is changed when recreating the original shape, the solution changes. Are you up to the challenge of completely solving the riddle of this square?At a 6/6 difficulty, the Hanayama Cast Square is one the most challenging puzzles of all time! Can you take it apart? Can you assemble it again? No solution included!