Book Page Corner Bookmark Oragami. You could copy a page of your favorite book front and back, then use that paper for this. That way you won't have to ruin an old book by tearing out a page for this.
Heart-shaped page marker origam will make for valentine day since we don't really celebrate at school.
Adorable Heart Corner Bookmarks
Free Sewing Pattern: Country Heart Bookmark. Sign Up To www.craftsy.com For Free To Get Free Patterns. I Have More Than 400! http://www.craftsy.com/pattern/sewing/other/country-heart-bookmark/118848?_ct=rbew&_ctp=141741
Heart Corner Bookmarks - what made a fun Valentine's project for kids!
origami heart bookmarks pin
Sew Many Ways...: Fabric Heart Bookmark…Free Pattern
Double-sided felt heart bookmark for kids to make grandma. Hint...hint!
San Valentín en Origami , post colaborativo | Aprender manualidades es facilisimo.com