Clothespin Math on a clothes hanger! Easy to make, and self explanatory. I'm thinking a wire clothes hanger would work better, so the clothes pins are easy to slide back and forth (almost like an abacus).
Clothing study: work station, matching upper to lower case letters. For differentiation create a set of matching upper to upper case or lower to lower case as needed. The Preschool Experiment: Tot Trays: Laundry Theme