In Papercrafts Magazine! (page 91 of the March issue... in case you're wondering....)
Its a Hidden slider card. When you pull up the insert, Candace appears on the branch.
There are some instructions on how to make one in the magazine (it sounds way harder than it is!).
Also, I did a tutorial for the hidden slider in this post. Its a Halloween card and the slider is sideways, but its the same concept.
All the stamps are from justjohanna. I really like using spring tree.
Thanks for visiting!