For a fun "spin" on the Rubik's cube concept, rotate and flip this double-sided disc in an attempt to move the marbles back to their color-coded slots on one side while being careful not to reverse what you've done on the other side. Take this self-contained puzzle with you to give your brain - and your patience - a workout anywhere.
Back Spin is a double-sided brainteaser that is truly revolutionary. This Oppenheim Award winning puzzle is shaped like a flying saucer with two halves that you twist to pass balls from one side to the other. Your job is to scramble the colored balls, then figure out how to get them back into their matching slots on both sides. Back Spin might look simple at first, but this cleverly addictive puzzle could leave your head spinning!