We are currently planning a budget friendly trip to Disney for next year. Driving down, staying off site, bringing our own food. The most expensive part of the trip with be the tickets for Disney. My kids will be 8, 6, and 2.5. I'm struggling with ideas of lunch to pack that will not need refrigerated or heated up that are kid friendly. I plan on freezing water bottles to use as ice packs, so things can stay somewhat cold, but would still need to be non-perishable. Any ideas would be helpful.