I was at bed bath and beyond today and they had this great fabric map for sale. It was normally 19.99 and was half off. I just tested it out and it looks like it will work great in the classroom. It has a ton of pieces for the kids to identify countries, oceans and even put animals in their proper locations. They sell it online but it's much more expensive. Hope you can find it at your local store!
I noticed one other deal in the paper today - Staples has sharpie (black or assorted colors) 12 packs for $3.00. I'm convinced that teachers cannot have too many sharpies!!