Ключевые слова: abstract, arrange, black, build, business, challenge, colored, colourful, concept, connection, construct, cooperation, copy, copy space, create, creative, effect, element, figure, game, geometric, glass, glossy, group, idea, inspiration, jigsaw, learning, logic, logical, multicolored, part, perspective, piece, play, ponder, puzzle, set, shape, simple, solve, space, strategic, success, teamwork, tetris, think, thinking, threedimensional, toy,