Carrera 61617 2/45 Curve Track Section Part for Use With GO!!! And Digital 143 - Pack of 4 Carrera Part No. 61617 Pack of 4 - 2/45 Curve Track Sections for Carrera GO!!! and Digital 143 Track Sets Includes 4 pieces of 2/45 degree curve track 1:43 Scale Compatible with Carrera GO!!! And Digital 143 track only