Osaka-Kansai Expo Japan Pavilion Limited Edition Algae Kitty-chan Secret Pin Badge. *Kazaguruma Keiso* (Wheel Diatom) Opened once for design confirmation, but unused. Please purchase only if you understand that it has been opened. It will be returned to its original bag before shipping. Osaka-Kansai Expo Japan Pavilion Limited Edition Algae Kitty-chan Secret Pin Badge. Opened once for design confirmation, but unused. Please understand that it has been opened before purchasing. The item will be returned to its original bag before shipping.