"Learning to ride a bike actually starts earlier," says Thomas Geisler from German cycling association Pressedienst-Fahrrad (pd-f).Depending on what toys are available, children often lay the basic ...

it’s built for kids who are taller than 3-foot-1, likely those closer to 3-foot-5, which is usually around 4 years old, depending on your kid. Some children can ride a 14-inch bike up to age 7.