- Level 5 - Easy
- Level 6 - Tricky
- Level 7 - Challenging
- Level 8 - Demanding
- Level 9 - Gruelling
- Level 10 - Mind Boggling
The Cerebral Rings
|Object||Take apart and put back together|
|Difficulty||Level 8 - Demanding|
|Type||Plastic Interlocking Puzzles|
|Dimensions||3.8 in x 4.1 in x 1.8 in / 9.7 cm x 10.5 cm x 4.5 cm|
Fabled to have been found among the effects of the renowned astronomer Johannes Kepler, was an early version of the Cerebral Rings. This challenging puzzle baffles astronomers, astrologers and mathematicians alike. It was said that Kepler’s students had to master the expanding layers of the Cerebral Rings and the red plungers within, solving the puzzle in order to progress to apprenticeship. There are hundreds of possible combinations and only 8 solutions.
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