Ключевые слова: balance bicycle, bicycle, bike, bogie wheel, boy, broken, brothers, caucasian, chain, child, cycle, european, family, fixing, friends, friendship, fun, funny, garden, happy, having, helping, home, kids, learning, lifestyle, little, maintenance, male, outdoors, outside, people, playing, repair, replacing, screwdriver, sibling, skills, smiling, son, summer, sunny, teaching, together, tools, twins, two, wheel, working,