So on Thursday, I am departing to NZ with a 6 yr old, 3 yr old and 18month year old. How lenient are customs with children's water bottles, will I be able to take a medium sized water bottle for each filled with water or do you think they will take them off the kids. If so, then I guess you just have to have a drink before you board, on the plane wait to handed out drinks, etc.......anyone flown internationally recently with kids and how did you go with the water bottle thing? Thank you.