This month's Mr. Store item, the Libram of BRICKOs, is quite possibly the most elaborate IOTM ever. A new type of libram, this allows you to construct a myriad number of items and monsters out of your BRICKO™ Brand Funucational Construction System Core Units! There's also a new outfit and familiar hidden away in this content. For more information, see the Wiki page.
For in-depth discussion and analysis, read the forum topic!