Paint and brushes, googly eyes, fabric scrap clothes, yarn hair, a sharpie and some glue will help you fashion your new friends.
You may want to find a place outside, on a branch, around the base of a tree, or you may decide you have an indoor rock. I like to name my rock friend Roxie. Roxie may live on a shelf or you may decide to a make a special home out of a shoe box.