Making this project took me back to my non-working mom days! This is the sort of thing that I used to lay awake at night planning. I don't do these things as often as I used to, so I'm really excited to see my kids' reaction when they find these little love-note-filled hearts waiting in unexpected places. (They are the perfect size to drop in a lunch, lay on a pillow or hide in a pocket.)
To make your own, you'll need some paper hearts. I used a Fiskars punch to cut mine from our Creative Girl paper deck.
Cut two hearts for each valentine you want to make. Then use a pair of scissors to cut a 1/4" slit down the center dip of the heart.
Overlap your cut and glue into place to turn your flat paper heart into a dimensional paper heart.
These are pretty all by themselves on projects or even sprinkled over tabletops.
Take two of these hearts and glue them together at the tip and on one side (right where my finger and thumb are touching the heart in the below photo). Leave the other side open so you can fill your valentine.
Cut 1/2" strips of paper for writing your message. Spiral these around the end of a paintbrush to make a little coiled love note. Have the beginning of your message be the outside of the coil and the ending be on the inside.
Slip the start of the message into the open space between your glued areas with the coiled portion fitting into the center of the heart. Then glue the last side of your heart closed. (You could also fill these with candy or a little trinket of some kind. You will want something small enough to fit, but large enough it can't escape the open edges of the heart.)
Have fun surprising your loved ones with them!