Two rotating circles - very similar to the Cohan Circle puzzle.

• Inventor: Hooshang Cohan
• Mechanism: Intersecting circles
• Patents: US 4580783
• Producer: Arusloky
• Year: 2009
• Original Price: $12.00 USD
• Current Price: No Data

Twist circles to mix up petals, make two circles of different colours to solve. The puzzle has an identical mechanism but different colour compared to the Cohan Circle Puzzle which was sold 25 years earlier. This new version is produced in Spain.

The puzzle has 1138829930997499780264466841600000 = 1.14*10^33 permutations if all pieces are considered distinguishable.
Compared with the number available if the puzzle can be disassembled and reassembled there are these restrictions:
-The orientation of the last heptagon is determined by the first two.
-The permutation of the segments is always even.
-The orientation of the last segments is determined by the other eighteen.
Coloured as shown here the puzzle has 46558512 permutations.

Thank you to the following people for their assistance in helping collect the information on this page: Zzupler.

This puzzle can be found in collections of these members:

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