Google Xuan, 7, left, finished the last few moves on a 3x3 as his brother Enzo Xuan, 12, reacted proudly during a practice speedcubing session. Parents watched a practice speedcubing session on June ...
The Rubik's Cube was at its prime in the 1980s, among Care Bears and big hair. In fact, more than 100 million of these puzzles were sold in that decade. But while many 80s fads went the way of the ...
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