LED Light Kit Street Lights / Stop Sign with Working Lights - LEGO Stud Street Lamp Red Yellow Green
LED Street Lamp Light kit / Stop Light for your LEGO CITY!
This is a MUST HAVE item and loads of fun. See the video below. This item is powered by USB. The wires are super thin and designed to fit between studs when installed permanently.
EVERY LEGO City needs a traffic light
Hours of fun and it WORKS!!!!