Signaling device and system for increasing visibility of a mobile robot

A device in combination with a mobile robot, the device comprising:

• (a) a base section attached to an upper front portion of a side of the mobile robot with respect to forward motion of the mobile robot, said base section allowing the device to rotate clockwise and/or anticlockwise relative to the mobile robot, the base section constructed and adapted to passively return the device to an equilibrium position;
• (b) a body section comprising a mast, the body section flexibly attached to the base section at a lower extreme of the body section;
• and
• (c) a signaling section on or atop an upper extreme of the body section;
• (d) wherein the base section is wider than the body section;
• and
• (e) wherein the mast is wider at the lower extreme than at the upper extreme.