Expand your point-to-point rail system with this electronically equipped track specifically designed for the open-end track configuration of the E-Z Track(R) auto-reversing system. Must be used in conjunction with Auto Reversing System #160-44847, sold separately.WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov