Ключевые слова: book, boy, caucasian, child, childhood, concentration, concept, cute, desk, development, education, elementary, handwriting, happy, home, homework, indoor, kid, knowledge, learn, lesson, lifestyle, literature, little, male, note, notebook, one, paper, pen, pencil, person, portrait, pupil, reading, school, schoolboy, schoolchild, schoolkid, sitting, student, study, studying, table, teaching, test, textbook, working, writing, young,