About the Model:
Number of Pages: 1
Number of Parts: 8
Build order: Just follow the numbers. I recommend not folding the tabs on the second to last piece of the heart.
Note: You can change the note on the ribbon by changing the texture in pepakura viewer. There are a couple that I made myself, but you can customize it and make it say whatever you want. Be sure to stay away from the edges. Use the ones I included for reference.