Zig zag knot puzzle

If you have passion for abstract thinking and problem-solving skills, then this puzzle is a great buy.

If you have passion for abstract thinking and problem-solving skills, then this puzzle is a great buy.

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It may look like it would be straightforward and easy to solve, but it is for the clever (and patient) people.

Solving the puzzle is a challenge. One needs to slide each piece in the correct 37-move sequence to take the Knot apart.

Every move will untangle a bit of the knot. You can buy this for $9.99 at www.thinkgeek.com.