Such a cool art project for kids! Make pictures with yarn instead of paint!
Huichol Yarn Painting
Sticky back tiles from Home Depot. (Great Idea!) There's a Dragon in my Art Room: Yarn painting, Huichol style for kids
Process Art for Preschoolers: Painting with Yarn and Tempera Paint
This is a great one! make yarn "paintings" with just glue and yarn... we already have a ton of yarn in the art closet!
Crafts: Yarn Painting
ART with Mrs. Smith: Huichol Yarn Painting
Dog Yarn Painting tutorial
Yarn Painting Process Art for Kids