Ключевые слова: abstract, background, block, building, challenge, color, colorful, concept, connection, construction, constructor, creativity, cube, design, diagram, element, figure, fun, game, geometric, graphic, group, help, hole, idea, individuality, isolated, jigsaw, learning, leisure, logic, meccano, multicolored, part, pieces, play, problems, puzzle, set, shape, solution, success, teamwork, technology, thinking, toy, wall, white,