Check out Rubie’s Costume Company Halloween Wizard of Oz Scarecrow Dog Costume here. Don’t forget the numbers — you can grab some fabric and make number patches that will last, or for a one-night party, just cut the numbers out of paper and then glue, tape or pin them in the right spots. Despite all of that time, iron man costume adult Scheetz usually takes the makeup off right away because she has other things to do.