Hanayama has done it again with the cast metal Coaster Puzzle. Three triangular rings are linked in an intricate pattern that forms a circle. Separate the rings to solve the puzzle. And once you have done that can you put the puzzle back together again? Ukrainian puzzle designer Serhiy Grabarchuk has designed the solution which is included with your puzzle just in case you find yourself stumped. Our clue to solving this puzzle is to ''weave.'' * DIFFICULTY LEVEL: 4 (Hard)
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