STICKERS! We flew 8 hours across country and we bought our son who was 15 months at the time a tablet which he played but the stickers is what he played the most with!

Snacks. Lots of them. And games or shows!

games and tablet but when it gets hard just be happy that u aren't me I did 23 hours 8 months pregnant with a 3,2 &1 year old on a greyhound so u are lucky

Many games on a tablet drawing game especially