Ключевые слова: announcement, appreciation, arts, back, background, black, blackboard, board, business, chalk, chalkboard, children, class, classroom, copy, creative, day, design, drawing, dream, educated, education, engineering, frame, graphic, happy, illustration, imagination, inspirations, intelligent, kid, know, knowledge, learning, literacy, mathematics, maths, national, rights, room, school, science, space, stem, study, teacher, technology, week, world, writing,