Club Nintendo has added a few more items and these are 300 stars each. Themes for your 3ds. Each theme comes with its own music played in the background as well.
http://stars.nintendo-europe.com/assets/upload/img/products/…
http://stars.nintendo-europe.com/assets/upload/img/products/…
http://stars.nintendo-europe.com/assets/upload/img/products/…
Themes?