Ключевые слова: activities, apple, autumn, back, back to school, backdrop, background, backpack, banner, black, blackboard, blank, chalkboard, childhood, children, class, classroom, colorful, concept, copy, creative, design, drawing, education, fruit, isolated, kids school, learning, mathematics, nobody, notebook, object, pen, pencil, school, school background, school building, school children, september, space, stationery, student, supplies, table, university, wood,