MIGHT USE THIS IDEA - Very Hungry Caterpillar Mobile. Hang lanterns red, 6 in two shades of green) with different lengths of fishing line. Use pipe cleaners for antennae, and construction paper for eyes and nose. Very cool in a children's library space.
Could also do this with green jello and a mermaid tail for food at a mermaid party. Maybe some at the party would want sharks though! Shark Fin Jello Cups perfect for a shark party or celebrating Shark Week