Prince Edward Island Quebec Saskatchewan Yukon 4. For the sake of safety, not to mention your own sanity, it pays to plan ahead for any road trip.
Hungry children are unhappy children, so make sure they have plenty of snacks for the ride.
If you're taking a picnic lunch, make sure that anything with meat, poultry, egg or mayonnaise is stored in a cooler with an ice pack to prevent spoilage. If there's even a small risk of upset tummies, keep an empty ice cream bucket under the front seat. Individual Walkmans will prevent conflict and save your own eardrums. But if the car tape machine is your only option, make sure to pick music you can tolerate. But don't limit yourself to kiddie performers.