Step 7
Take hold of the smaller heart at the left...

Step 8
...and carefully fold it all the way over to the right, creasing it flat.

Step 9
Flip the entire pop-up piece over.
Take hold of the smaller heart at the right...

Step 10
And fold it all the way over to the left, creasing it flat.

Step 11
When you open the pop-up piece it looks like this.
COLOR your pop-up with colored pencils or crayons. Set the pop-up piece aside.

Step 12
Using a ruler as a guide, take the rounded end of a paper clip (or a ball point pen that has run out of ink) and press along the dotted line running down the center of the card print-out.