A wall module for a modular wall having a wall segment with a top, bottom, front, back, first end, and back end. A first component of a connector is preferably and extended tongue and is attached to the second end of a wall segment. The second component of a connector is preferably an extended groove in the first end of the wall segment. Preferably, a channel exists along the length of each wall segment at top. Also, preferably either a ring segment or an elongate member is in such channel and is connected to a leg. And preferably the ring segment or elongate member connects to the corresponding element on an adjacent wall segment when such adjacent wall segment has been connected to the first wall segment.