Ключевые слова: back, background, bag, bag pack, black, blackboard, blank, board, book, boy, caucasian, chalk, chalkboard, cheerful, child, childhood, class, classroom, clever, concept, cute, drawing, education, elementary, glasses, happy, idea, kid, knowledge, laughs, learn, lesson, little, people, person, portrait, preschool, pretty, primary, pupil, school, schoolboy, small, smart, student, study, studying, success, young,