Seven Towns sponsors the speed-cubing world championships an evolving showcase for knockoffs to generate publicity for the real deal.
WSJ: One Rubik's Cube, Many Knockoffs, Quintillions of Possibilities
2.
In the early days of speed-cubing the 1980s pioneers first pried open cubes, sanded corners and greased joints with globs of petroleum jelly to allow faster, smoother moves.
WSJ: One Rubik's Cube, Many Knockoffs, Quintillions of Possibilities
3.
Or piggyback on the phenomenon of competitive speed-cubing?
WSJ: One Rubik's Cube, Many Knockoffs, Quintillions of Possibilities