Uwe Meffert started designing rotational puzzles in 1970 with the invention of the Pyraminx.
X-treme puzzle fun!
Skewb Xtreme pushes puzzles to the limit! The first challenge is solving the puzzle so that each side shows one of ten solid colors—tough for sure, but not impossible (we promise). The second challenge, of course, is whether or not to ‘solve’ it at all: symmetrical from nearly any angle, the X-treme is so beautiful, you may just want to show it off!
. for Ages 7 and up