Ключевые слова: announcement, appreciation, backdrop, background, black, blackboard, board, chalk, chalkboard, childhood, children, class, classroom, day, doodle, draw, edge, education, educational, frame, friends, friendship, green, group, grunge, happy, heart, icon, international, kids, learn, lesson, love, message, pastel, phrase, positive, room, school, shape, sketchy, slogan, student, study, studying, team, texture, white, world, write,