Ключевые слова: architect, background, brain, business, classic, clever, colourful, colours, combination, concept, creative, creativity, cube, cube shape, difficult, editorial, education, entertainment, game, green color, hand, hobby, holding, idea, illustrative, intelligence, isolated, learning, leisure, leisure games, logic, mathematic, mind, people, play, problem, puzzle, puzzle cube, red, rubik, rubiks cube, smart, solution, solve, solving, square, strategy, think, toy, training,