A little more risky than baby jumpers are wheeled walkers. They will roll down stairs or help the kid access hazardous things that he might not be able to reach otherwise. It is often hazardous to get a doorframe jumper. Look at the study and only, with care, buy and use it. A smarter bet is an exersaucer, which is a way to define a fixed jumper without wheels. Neither of this, however, makes the kid learn to walk. In fact, they can delay the physical development of your infant, delaying his crawling, cruising, and/or walking if overused. Using, completely monitored, just a few minutes at a time, once or twice a day, while for some reason you need your hands most.