Originally Posted by atbman

Once they've learned to use the balance bike, going on to training wheels is inadvisable, since they can't use what they've learned about balancing. Learning to use the brakes comes along with learning to pedal. They'll fall over/off of course, but that's par for the course. Responses to that vary from drama queen to get up and get on straightaway, depending on personality or the severity of the fall.

But training wheels? Never. They should be banned under whatever Trades Description Act you have in the States. Instruments of the devil.