the carrera junction section part no. 61616 adds fun and excitement to your race! beat your opponent to the junction so that you don't get t-boned and bounced off of the track! this part will only fit with the go!!! and digital 143 tracks. about carrera: for over 50 years, carrera has brought the thrilling world of motorsports into homes around the world. for both beginners and experienced racers, carrera slot car tracks and cars provide the most realistic racing action. carrera makes the dreams of racing drivers come true - however old, however young! SKU:ADIB0007VTDNW