Ключевые слова: art, background, black, blackboard, blue, board, business, chalk, challenge, childhood, children, circle, competition, concept, cross, drawing, education, entertainment, female, fun, game, hand, hobby, icon, kid, kids, leisure, object, old, people, plastic, play, school, shape, sign, smile, space, strategy, success, symbol, table, tac, tic, tictactoe, toe, toy, white, win, wooden, yellow,