Carrera 61530 GO!!! Connecting Track Section for Transformer 61537 with One Plug Scale 1:43 Carrera Part No. 61530 Connection Section for Carrera GO!!! and Digital 143 Track Sets Replacement part for the Start/Finish Line - 1:43 Scale Fits transformers with only 1 plug (Part 61537) Compatible with Carrera GO!!! And Digital 143 track only