We took our daughter in June and she turned 3 months while we were down there. Absolutely the stroller. We used a backpack instead of a diaper bag. I felt it was easier to carry into an attraction, dining area, or back on the bus if necessary. We did the front baby harness, however, she only wanted to be in it when she was tired and ready for a nap. I guess it depends on if the baby is used to one already. This was our first time using one. Since we were there in June, we ended up buying one of the Disney clip on fans while we were there. Some days it was just so hot and we were trying to keep her as cool as possible. I can't think of any other other baby gear, however, just a quick note. Make sure you have enough of anything that you might need for the baby. Some how one day I forgot to pack bottles even though I had packed the formula. I was still breastfeeding at the time and luckily she didn't need one, but if so, I would have had to purchase one in the baby care center. By the way, the baby care center is great for changing diapers, feeding quietly if the baby gets distracted easily, and sometimes just to cool off for a little bit. They also sell just about anything that you could possibly need for your baby should you forget or need more of something. It's a little more expensive, but it's the only place in the park for baby care items. Also, luckily one day, I had an extra shirt in my backpack for myself. Just as we were getting to the park, the baby spit up all over me(more than usual) and I needed a change. If I hadn't had that I would have purchased a shirt in the park, but glad I didn't have to for that. Hope this helps. Have fun.
