Ключевые слова: activity, backpack, balance, boy, brothers, cars, child, childhood, city, driving, elementary, fast, friends, germany, glasses, happy, having, healthy, helmet, kid, learning, leisure, lifestyle, little, male, outdoor, people, preschool, protection, ride, road, roller, safe, safety, satchel, schookboy, school, schoolkid, scooter, siblings, smiling, sport, street, summer, sunny, traffic, twins, two, warm,