Simple little boats: pool noodles
flute de pan pailles
Those otherwise thrown away straws could be source for some really cool DIY projects.
Preschool Math: Straw Match Up - Playdough To Plato. would be good to do on sticky paper
The Printable Princess: Developing Fine Motor Skills
42 Genius Air Dry Clay Projects and Ideas for Kids
Easy and Creative DIY Christmas Decorating Ideas