A strikingly attractive burr in a cage puzzle! Swift Shift is an exceptionally high quality metal puzzle that is made of aluminum alloy and milled by CNC. It is comprised of 6 different burr sticks and a frame. This difficult burr requires 33 steps to free the first piece from the cage, and a total of 71 steps to solve it. The puzzle was designed by Zhong Qizhen (钟七珍).
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