lots of games that make them interested in what's going on around them - outside the car and stopping regulalry for toilet and snacks

have some kids songs ready or music they like to sing along the way, annoying for you but better than hearing them crying :)

A proper meal beforehand not a snack full of numbers and sugar rush..this will help them sleep and not get to hyper excited.

You should keep their stomachs full always, with a lot of entertainment such as kiddy songs, toys and descriptions, about the surroundings.

take lots of tapes;stories and games help to pass the time,and don,t travel too far without a break!!! the milky bars are on you!

make sure they have been toilet before we travel.had dinner before leaving.or stop some where if dinnertime.make sure they got book.

make sure they are all strapped in have a drink with them and something to eat.make sure they got the psp or ds.or cds of there choice

take them to their favourite fast food restaurant if they behave All major chains publish maps so you may plan your stop enroute.

Wet wipes and old icecream tub with a lid in case of car sickness (makes it easy to capture and contain until able to dispose of).

make sure they have been to the loo, have a toy/ book and a drink

Bring some water & game

bring things what they want like drawing stuff,favourite eating stuff, cd which they like to listen...drinks& give them ur attention

let them bring there favorite toy

keep them busy playing nintendo ds and psp.

by keeping them busy with playing games and keep them busy with eating candies and tell them more good stories about jusus a friends of them

Don't rush. Be cheerful & show them that they are important.