BMW M4 DTM "B.Spengler, No.7" 1:43 scale slot car compatible with Carrera GO!!! Tracks Carrera Part No. 20064131 Each Carrera GO!!! Car is fitted with replaceable double contact brushes for maximum contact with the slot car track while downforce magnets make for quick cornering and easier handling even for beginner racers GO!!! vehicles come in a wide variety of popular racecar and entertainment license themes Car is also compatible with the Carrera Racing System 1:43 scale battery operated slot car tracks