Sims met Rubik in 1979 in the courtyard of a Budapest hotel. “He solved it in two minutes,” Sims recalls. Some 150 million sold from 1980 to 1982. Against all odds, a plastic cube with color ...

AOMORI—A tourism official’s attempt to produce an apple-themed version of Rubik’s Cube has led to several ... dotted skin and color shade,” Mikami explained. She noted that next year ...