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.
The Chicka Chicka Boom Boom Tree is made from a carpet roll (free from local carpet store) tube wrapped in brown butcher paper, stuck in a Christmas tree stand. The top is an umbrella covered with green leaves.