Ключевые слова: back, blackboard, board, boy, calm, caucasian, child, childhood, class, concept, copy space, creative, cute, desk, education, elementary, expression, front, globe, grass, green, happy, junior, kid, knowledge, learn, learning, lesson, little, male, outdoor, people, person, portrait, positive, preschool, preschooler, primary, pupil, school, schoolboard, schoolboy, schoolkid, smart, student, study, to, young, youngster, youth,