We've kept one at home and we keep onions and potatoes in it. One of the markets we frequent pours the clementines out of the box and into your shopping bag and keeps (reuses?) the boxes. We've found plenty of other ideas on the web, too. Here are a few below:
Have you kept and reused a clementine box in your home? To what (re)use did you put yours?
Photo up top from: Bellwood Gardens