Ключевые слова: 3x3, brain, business, classic, colorful, colors, cube, difficult, dimension, editorial, effort, entertain, funny, game, green, he says, hungary, illustrative, intelligence, isolated, item, logic, mathematical, mathematics, ment, mind, multicolored, mysterious, net, one, orange, play, problem, puzzle, puzzling, random, rebus, round, rounded, rubik, rubik cube, single, solved, speed, square, stickers, stress, teaser, think, three, toy,