Origami Bookmark - Origami Penguin Bookmark - Post-it® Note Crafts - Easy Paper Crafts for Kids. In this origami tutorial, Ill show you how to fold an origami penguin bookmark with one Post-it® Note. This bookmark requires 1 Post-it® Note, and utilizes Origami Swan, Origami Fish, Origami Folding, Origami Flowers, Paper Crafts Origami, Paper Crafts For Kids, Origami Art, Kids Origami, Oragami