If you want your kids to have the most fun with their ride-on toys, you need to get them a model that can handle high speeds. However, not all of these power wheels are created equal. See More: best 24v power wheels The best 24v power wheel can go up to 6 mph and can be used for 2 to 4 hours on a full charge. They can also drive over rough terrains without problems. 1. Safety...