A control stick comprising: a stick assembly comprising an outer tube-like opaque wall having a central axis extending between a first end and a second end , the outer tube-like opaque wall having an exterior wall surface and an interior wall surface , an annular light guide structure disposed inside the outer tube-like opaque wall in a concentric manner so as to be lined against the interior wall surface of the outer tube-like opaque wall , wherein an annular end surface of the annular light guide structure is flushed with the first end of the outer tube-like opaque wall , and an elongated central axial member fitted inside the annular light guide structure and held by the annular light guide structure in an orientation longitudinally aligned with the central axis of the outer tube-like opaque wall , wherein a first axial end of the elongated central axial member is directed in a same first direction as the first end of the outer tube-like opaque wall and a second axial end of the elongated central axial member is directed in a same second direction as the second end of the outer tube-like opaque wall , wherein the second axial end of the elongated central axial member comprises a control-engagement-element for engaging with a control stick mechanism; at least one light source disposed to transmit light to the annular light guide structure in a manner such that the annular light guide structure directs the light to the annular end surface of the annular light guide structure ; characterized in that it further comprises at least one connector in electrical connection with the at least one light source wherein an end of the at least one connector is exposed from the second end of the outer tube-like opaque wall . an outer tube-like opaque wall having a central axis extending between a first end and a second end , the outer tube-like opaque wall having an exterior wall surface and an interior wall surface , an annular light guide structure disposed inside the outer tube-like opaque wall in a concentric manner so as to be lined against the interior wall surface of the outer tube-like opaque wall , wherein an annular end surface of the annular light guide structure is flushed with the first end of the outer tube-like opaque wall , and an elongated central axial member fitted inside the annular light guide structure and held by the annular light guide structure in an orientation longitudinally aligned with the central axis of the outer tube-like opaque wall , wherein a first axial end of the elongated central axial member is directed in a same first direction as the first end of the outer tube-like opaque wall and a second axial end of the elongated central axial member is directed in a same second direction as the second end of the outer tube-like opaque wall , wherein the second axial end of the elongated central axial member comprises a control-engagement-element for engaging with a control stick mechanism; at least one light source disposed to transmit light to the annular light guide structure in a manner such that the annular light guide structure directs the light to the annular end surface of the annular light guide structure ; characterized in that it further comprises at least one connector in electrical connection with the at least one light source wherein an end of the at least one connector is exposed from the second end of the outer tube-like opaque wall . <EOS>