I used my favorite Ergo baby carrier until my son was just too darn big for me to lug around. But since he also didn't like to ride in the stroller, I would end up hoisting him on my shoulders anyway. I only wish I had known about
The Piggyback Rider! This ingenious backpack-like device allows you to carry your 2 1/2+ age kiddo (up to 60 lbs) like a traditional piggyback but with much better ergonomic support. Your child stands on the foot-bar so they can see everything from their little perch. And they are secure with a safety tether and integrated grab handles.