I think I saw these at Michael's a month or so ago. It may have been at Recollections, though (they're owned by Michael's are are only a few doors down). I want to say they were around $7 or so. If you have a Mike's nearby, they may carry them. Or, if you're in a state with a Recollections (
www.recollectionsonline.com), you could try there (I'd call first). Hope that helps!