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SKU: 155
This famous mathematical wooden brain teaser puzzle used in math lessons at school and management tests.
The 9 Rings version requires 511 moves!
It is 4 times as difficult as the 7 ring version
All the pieces can be stored inside the box for safe keeping.
Starting with all 9 discs placed on the central stand. The goal is to transfer all the discs to the other stand in their original order.
You may move just one disc at a time, and a larger piece can't be placed over a smaller one.
[In Stock]
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