Just playing with my Hoot & Annie stamp (#B118) and some googly eyes...it made me smile!! Hope it brightens your day too!!
For the card, I just cut a 2-3/4" x 8'1/4" cardstock and scored at the following intervals: 1/4", 1", 3" and 1". Fold along the scored lines, and use double stick tape on the tab to close. Then I used a Marvy (pink) scalloped oval punch to make the window.
Stamps used: #B118 (Hoot & Annie), #A105 (It's Your Birthday) and #5006 (Daisy).