For all the Hot Wheels collectors out there, this Criss Cross Crash Track Set Booster Module Only AND DOES NOT WORK ELECTRICALLY, mechanically all parts are perfect, requires a on/off Switch (x2 SPDT Slide Switch Electronic 1P2T Toggle Switch 6mm Mini Arduino) and is a easy fix for any electrician. This set includes the Booster Module Only for spares or repairs and is perfect for those who already own the complete set but need parts for Repairs or to repair the module itself.