I love the idea of this Tooth Fairy Kit by Notion Farm (a division of Rubber Design). The kit contains a letterpressed certificate of record to file with the Tooth Fairy and a reusable silk-screened cloth deposit bag to store compensation (for the first tooth and all future transactions). The certificate keeps a record of name, age, tooth lost, method of extraction, and compensation information. This is a fun, memorable way to remember and keep track of your kids' missing teeth. Get it for $16.