Meet town square mickey, he talks to the kids.
Ride dumbo.
meet some characters
Ride the tea cups. Oldie but goody
Watch the parade
take a family pic in front of the castle
I'll be honest, AK doesn't offer a ton to kids that age. I would do Hollywood studios for the Frozen stuff, the Muppets show, the toy story ride, instead. If you do AK, the triceratops spin rider was a hit with our toddler, as was the finding Nemo show.