
I hope you're having fun planning your trip. On our first trip my sons were 3 and 1 1/2. It was completely magical!!
My biggest tip may seem obvious, enjoy everything as you go along and be willing to stop and smell the roses. Young children notice so many details and we had to go at a slow pace to accommodate them. There were some rides that we rode over and over and other things that we never got to do. But we all had a wonderful time and we didn't have any meltdowns.
I would bring a few snacks into the parks. When our boys were that age they got hungry pretty often. We could give them snacks while we waited in line for attractions. A few times we ran out of snacks and sometimes it was difficult to find a vendor that had food that our toddler liked to eat and the lines were long. For instance one day we got out of line for Peter Pan and then waited 20 minutes and then spent $3.00 on a cookie that my DS1 only ate 2 bites of it.
The boys were both able to ride most rides at the Magic Kingdom. I just held the 1 year old in my lap. We skipped the roller coasters, the Haunted Mansion and Snow White. They also loved Animal Kingdom!
Airplane - At that age my sons had never chewed gum. So on the airplane I gave them fruit snacks to chew on while the plane took off. Another tip is to wait until the plane is actually moving before you start handing them out. I think my sons went through several packages before the plane started to move.
Another thing was that my sons were not extremely familiar with the "base" Disney characters of Goofy, Mickey, Minnie and Donald, etc. Plus I wanted to prepare them for meeting the characters so I bought a few Disney movies that show children interacting with the characters. They sell them on Amazon.com - here are a few Sing Along Songs
Disneyland Fun, Sing Along Songs Beach Party at Walt Disney World and Sing Along Songs Campout at Walt Disney World.
I think the videos helped and my sons were NOT afraid of the characters. My sons loved the character meals - we ate at The Crystal Palace and Chef Mickey's.
I'm sure you'll get a lot more help from others who have been to WDW more recently with a toddler. My sons are 5 and 7 now and we're going back to WDW in May!
