Skilltoyz.com sells over 40 different 3D wooden puzzles. This is design #52, called "Zhong tong Lock". Can you undo the interlocked wooden pieces? And then reassemble the puzzle? This product video shows the the puzzle in its original state. It does not include a solution and is spoiler-free. If you like brainteasers and smart puzzles, visit our shop for more! [ Ссылка ]

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