Hi! I’m trying to buy someone some track as a present for someone who has a C1408P Formula 1 Challenge Start Set. In particular I am looking for a lap counter. Could somebody please let me know if a C8528 Extension Pack 2 lap counter is compatible with Start, or would a Sport conversion track be needed? I am confused as some C8528 lap counters are labelled as being for Sport, while others are labelled as being for Start. Many thanks for any advice!