Gear Shift Cube - Meffert's Anisotropic Rotational Brain Teaser Puzzle

Gear Cube Extreme will test the mettle of some of the best puzzlers.

This complex collection of colored and interlocking gears can get mixed-up very fast. As the puzzle is mixed-up the shape becomes very irregular Recommended for ages 12 through adult. This may be one of those puzzles that will finally give your "engineer" friend or family member a good challenge. A puzzle they will not solve in ten minutes!