Manual 1.Assemblethetrackwithyourownidea,guaranteeingtheinnerandtheouttertrack sharetheequallength. 2.Themainboardisconnectedtothetrackconsole,andpoweredbya5Vpower adapter.The2outputwiresareconnectedwiththetrackconsolebox.Andbesure the2carsareinthesamestartposition. ...