Ключевые слова: academic, announcement, art, background, blue, board, chalk, chalkboard, child, class, classroom, closeup, college, color, concept, crayon, creative, design, drawing, education, equipment, flat, fun, green, greenboard, group, highschool, lay, many, note, object, pattern, pieces, pink, rainbow, school, simple, sketch, small, stick, sticks, study, teacher, texture, top, university, view, writing, yellow,