Actually, in my youth training wheels were generally considered to slow the learning process (and therefore rather seldom used, maybe even frowned upon, where I

Actually, in my youth training wheels were generally considered to slow the learning process (and therefore rather seldom used, maybe even frowned upon, where I grew up.) In light of this, the new thing about balance bikes is the omission of pedals. – Which also highlights an interesting feature of our current ways of approaching things.