Clothespins on Hangers to practice alphabetical order (leave out some letters? write words on clothes pins? Lots could be done with this idea. Order clothespin numbers on a separate hanger that looks like a number line.
"Check Out the Lineup in." Using a T-shirt theme and hanging student shirts along a clothing line is a colorful idea for a Back To School bulletin board display. You can also have the children decorate their t-shirt