The Transport Locker was a precursor to the Kalika and MYST-Alphabet cases and was released on the 1st of December 2010, and was announced to be retired on August 19th 2011.
The Kalika Case is a variant of the Transport Locker and is only available during special events. It first saw the light of day on the 20th of December 2010 after Kalika, the community manager, visited Japan for last year's winter holidays and learned about fukubukuro, the Japanese New Year's Sales tradition...