Carrera Narrow Section for 1:43, GO!!!, and GO!!! Plus Tracks is designed to expand your Carrera racetracks, allowing you to create new and exciting course layouts with ease. These two 8.9-inch sections are for showcasing your skill as you navigate and pass the narrow track sections ly. With this race track extension pack from Carrera, the fun is all yours to decide how and where to place it, enhancing your racing experience and adding more variety to your track designs. Model Number: 20061610