6494056639234048 Felix Puzzle 智趣坊 Cast Spiral 渦 At first glance, this puzzle by Kennet Walker of Rivermore, California doesn't seem unlockable. The five pieces, however, can most certainly be taken apart. Put Product #: felixpuzzle-Cast Spiral 渦 2022-06-23 Regular price: $HKD$100.0 Available from: Felix Puzzle 智趣坊In stock