Traveling with young kids made easy: Put an entire outfit (including undies and hair accessories) in a ziploc bag. One bag per day. When you get to the hotel, they can pick one per day. Huge time saver! Plus, dirty clothes don't get mixed in with clean ones! I actually did this when my girls were toddlers. I would even toss in a fabric softener sheet to keep them smelling super fresh!
all things simple: traveling with young children: tip #1