These are not ballet flats and they are dearer, but they are beautiful and bound to be warm (my best friend is getting them in the pink for me for Christmas). There may be a code hanging around on the code and promo board if you check:
www.celticandco.co.uk/footwear/womens-footwear/slippers-1878/fair-isle-mule/
For fun, if she's a 5-6, JL have novelty ones with red and white fairisle (search clause and they come up...can't believe they can't spell Claus)