This 4-1/4" x 5-1/2" card features a Santa with a moving hat.  The hat moves up and down to hide/uncover the eyes as well as side to side!  You can find a full tutorial on my blog: https://jamielanedesigns.blogspot.com/2017/12/interactive-holiday-cards.html

Here is a link for a quick video:

https://youtu.be/d6kjJH-lw0k