Ключевые слова: back to school, backpack, book, boy, bus, bus station, car, cars, cartoon, character, characters, child, childhood, children, children playing, city, classroom, driver, driving, education, elementary, friendship, girl, going to school, happy, illustration, kid, kids, kindergarten, little, play, preschool, public transport, reading book, riding, school building, school bus, schoolboy, schoolgirl, street, student, students, studying, transport, transportation, vector, vehicle, vehicles, walking, young,