Project Genius Mefferts XXL Gear Cube Puzzle
This is a Mefferts XXL Gear Cube Puzzle that's produced by the good folks over at Project Genius. They make various levels of challenging puzzles!
Project Genius uses a 5 star rating system for difficulty with 5 being the most difficult. This XXL Gear Cube has a rating of 4.5 stars making it one of the most difficult puzzles. The goal of this puzzle is to make each side a unique color.
Great for any fan of brainteasers!
Recommended Age: 14+
Condition: Brand New
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