Runner bikesby using their feet to move the bike forward your child doesnt have to worry about pedaling while at the same time learning to feel the dynamics of balancing this takes the frustration out of learning to ride a bicycle for both the child and the parent 10 mag wheelsusing a pair of mini 10 mag wheels with solid rubber tyres allows your child to role along with ease as well as giving them that little more comfort adjustable seat and barsas your child grows you have adjustable se