List of objects to find in neighborhood scavenger hunt?

pen, pencil, flower, shoe, candy, gum wrapper, empty can, paper clips, nail, wood, mulch, stones, lizard, an old key, reciept, piece of paper, dirt, sand, napkin or towel, fossil, string, balloon, paper plate, plastic silverware, piece of yarn, empty chip bag, sea shell, old newspaper, batteries, pencil sharpener, nail file, comb, hair tie, barrette, rubberband etc.