Optional parts High quality economy kit 103 series This is a light unit required to turn on the lights. In addition to the headlights and taillights, the train number / destination display area lights up. When moving forward, the headlights (bulb color) and the train number / destination display (white) light up. When moving backward, the tail light (red) and the train number / destination display (white) light up. It is also compatible with sealed beam modified vehicles. Since the current collector plate is attached to the underfloor trolley set of the high quality economy kit, you can turn on the light by incorporating this light unit according to the instruction manual. When incorporating the light unit, it is necessary to process the top and front glass of the body. * Product specifications may differ from the actual product. [Set contents] Light unit x 2 (2 cars included)