Hi Eilhwan, welcome to planDisney!
I have good news! You are absolutely more than welcome to bring
outside food and nonalcoholic beverages into Disneyland Park and Disney California Adventure Park for self-consumption, as long as they are not in glass containers, do not require heating, reheating, processing or refrigeration, and do not have pungent odors. I have two little kiddos myself, so we always like to pack some snacks for them!
On the other hand, I checked the
Disneyland Resort's stroller guidelines, and I'm sorry to report that both wagons and stroller wagons are not permitted. I also want to mention that strollers larger than 31" x 52" are also not permitted.
But before I let you go, I do want to highlight the amazing
Baby Care Centers! My wife and I are big fans of the Baby Care Centers. We have two little ones, and when they were babies, we would visit the Baby Care Centers constantly. Such a lifesaver! They offer a clean and comfortable facility with changing rooms, nursing rooms, a feeding area with high chairs, and more. Disneyland Park, it’s located at the end of Main Street, U.S.A., next to First Aid. At Disney California Adventure Park, the baby care center is located next to Ghirardelli Soda Fountain and Chocolate Shop, across from The Bakery Tour in Pacific Wharf.
If you have any other questions, please do visit us again!
See ya real soon!
Jin