Snacks and water bottles to keep children fed and hydrated on the go. Entertainment such as books, games, and tablets to keep children occupied during long waits or flights. A first-aid kit with basic medical supplies such as band-aids and pain relievers. Extra clothes and diapers in case of accidents or spills. Sunscreen and insect repellent to protect children's skin. Any necessary medications and copies of prescriptions. Travel documents such as passports, visas, and tickets. Comfort items such as a favorite stuffed animal or blanket to help children feel at ease. Child-sized backpacks or luggage for older children to carry their own belongings.