Ключевые слова: academic, announcement, art, background, board, chalk, chalkboard, child, class, classroom, college, color, concept, crayon, creative, design, drawing, education, equipment, flat, fun, green, greenboard, group, highschool, lay, many, nobody, note, object, orange, pattern, pieces, pink, school, simple, sketch, small, space, stick, sticks, study, teacher, top, university, view, writing, yellow,