There was definitely more than one set. I remember that I had one and my friend had a different, larger set. According to wikipedia [0], they've been rebranded

There was definitely more than one set. I remember that I had one and my friend had a different, larger set. According to wikipedia [0], they've been rebranded and are available (in Japan at least) [1]. [0] http://en.wikipedia.org/wiki/Capsela http://en.wikipedia.org/wiki/Capsela [1] http://www.iqkey.jp/ http://www.iqkey.jp/