Skip the craft store trip and use materials you already have instead: That's the beauty of these green kids crafts -- cheap, creative and recycled! A perfect combo.
Use What You've Got! 15 Recycled Craft Projects For Kids From Our Favorite Bloggers- http://www.ivillage.com/green-activities-kids-0/6-b-445225 
CUTE ideas! How do you use materials you already have in your crafts?