Ключевые слова: above, back, background, blackboard, blue, board, children, class, classroom, clip, college, color, colorful, concept, design, desk, device, draw, education, element, elementary, empty, group, happy, inscription, knowledge, learn, message, note, object, palette, paper, pencil, ruler, school, scissors, shape, sharpener, stapler, stationery, student, study, supply, teaching, text, view, watercolor, word, write, yellow,