Originally Posted by Camilo

So does the front mount seat (throw balance off). It can make the bike very flakey when dismounting and handling, especially if you encounter sand or gravel. We always used a trailer and it's what I recommended to my kids for their kids.

When the kids were older and could do it I loved the trail-a-bike type of thing and I think they did too. They could actually help pedal and sometimes I'd coast and let them provide all the power!