The RPG Icon 16x36 This section concerns content exclusive to the Warcraft RPG, and thus unlikely to be canon.

A pocket factory is a briefcase-like device containing a miniaturized, self-powered construction facility capable of producing a small army of clockwerk goblins.[1] (DF 108)

This article or section contains lore taken from Warcraft III: Reign of Chaos, Warcraft III: The Frozen Throne, the manuals, and official bonus maps.
Pocket Factory

Pocket Factory is an ability used by goblin tinkers in Warcraft III to produce clockwerk goblins.