like pposter noted. . .enchanted forest theme. . .Disney has a plethora of fantasy themes to tap into imagination. . .Rapunzel etc. . .
Magic Tree House Series
The Magic School Bus series. . .my favorite
Magic Carpet Ride
The Wizard of Oz
Here's an idea
http://teachers.net/lessons/posts/1240.html
some ideas could include pixie dust , magic kingdom, magical moments