Meffert's Puzzles Gear Ball
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Remember that, whether you’re rotating up and down or side to side, the center section of the ball rotates half the amount of the side section. So, if you rotate the right side of the ball up and all the way around (360 degrees), the center section will rotate up and halfway around (180 degrees).
Go through the “R2-U-R2-U” algorithm once. Rotate the right side of the ball upward 180 degrees (½ turn) twice (“R2”), then rotate the upper side to the left 180 degrees (½ turn) once (“U”). Then, repeat the process again—so it’s right-twice-up, right-twice-up or R2-U-R2-U.  X Research sourceThe turning is amazing. It’s easy to solve. It looks cool. It’s perfect, honestly. If you’re thinking about either getting this or the gear CUBE, get this one. Turning it takes zero effort at all. When solving it, only two algorithms are needed. If you want to see an actual review of this puzzle, I would suggest going on youtube and searching “RedKB Gear Ball.” Trust me. Zatu has an excellent range of games and for most of them the best prices too. Delivery is always fast and I have never received a game in bad condition. 10/10 would recommend. Spin the ball to get a feel for how it rotates. Because of the gear rings that span adjacent faces, you can spin the right or left thirds of the sphere either up or down, or the top or bottom thirds either left or right. When you do so, the center third will follow in the same direction but cover half the distance.
If, for example, you’re holding the Gear Ball so that there’s a red corner on top of a yellow corner to the left, you may be able to rotate the right side of the ball up or down until you have a red corner on top of a yellow corner to the right as well.This article was co-authored by wikiHow staff writer, Christopher M. Osborne, PhD. Christopher Osborne has been a wikiHow Content Creator since 2015. He is also a historian who holds a PhD from The University of Notre Dame and has taught at universities in and around Pittsburgh, PA. His scholarly publications and presentations focus on his research interests in early American history, but Chris also enjoys the challenges and rewards of writing wikiHow articles on a wide range of subjects.