There is a variety of Saint Valentine's Day Czech Glass Beads for you to come up with various cute gifts and designs. The good thing about the variety is that the beads come in various finishes and colors. A single hole can come through the sides of the heart or through the top and bottom center of it.
There are numerous 3D figures made with beads and strings look really amazing. Check out the DIY hearts or the DIY couple of swans, there are many other various designs that might inspire you to create something by yourself. If you need more cool ideas how about a bookmark with beads and strings?