"Little piggies" cheap & easy DIY party decor for a farm or tractor themed birthday party. Makes a great take-away party favor and activity as well... Have the kids corral the pigs into a "pen". Plenty of more ideas with source links.
Cool Arts and Crafts Ideas for Teens, Kids and Adults. Fun and Creative DIY Projects for School, Home, Wall Art. Awesome Room Decor Ideas for Teenagers and Tweens http://diyprojectsforteens.com/arts-and-crafts-ideas-for-teens/