1. To start, prepare scissors, papers, rulers, pencils, markers, and glues stick.
2. Cut out a 3 1/4 inch heart, tracing the shape onto another piece of craft paper.
3. Cut it out.
4. Fold a 5 1/2-by-8-inch rectangle in half length-wise.
5. Trace the most recent heart onto the crease.
6. Cut out the shape, leaving a small portion intact on each side.
7. Crease the pop-out heart, and attach the card to a larger piece of paper.
8. Attach the cutout heart to the pop-out one.
9. Add a message.
10. Add the remaining heart to the front of the card.