a multi - head robotic system capable of delivering numerous robotic devices to a task site is disclosed . a number of robotic devices perform tasks simultaneously , thus tasks can be completed quickly . each individual robot does not need to move at an extremely fast speed . the sequence in which the robotic devices arrive at or leave a task site is unlimited . the robotic delivery system is capable of “ leapfrogging ” robotic devices , or placing them randomly , at locations where they are most needed .