Ключевые слова: abstract, activity, amusement, background, blue, board, business, challenge, color, concept, connection, cooperation, creative, creativity, education, fun, game, group, idea, jigsaw, join, leisure, metaphor, missing, object, part, pattern, piece, pink, play, problem, puzzle, section, shape, solution, solve, solving, space, strategy, success, table, team, teamwork, texture, together, toy, wood,