Good New challenge

For About a week I was able to get my kids up and walking to school with me, 2 of the 3 enjoyed it. But now my 3-year-old wants to use his balance bike instead of being in the stroller and he is surprisingly doing very well going up hill. The only downside is I still have to bring the stroller for the first 5 minutes of our walk because there's is no sidewalk and next to a main road