The Ride System includes: Propulsion system (2 motors) Integrated control system; speed controller, direction control (forward & reverse) Fright Ideas based brain - FlexMax 2 Cart positioning & start up trigger system (4 triggers with mounting hardware) Wheel truck assemblies (4) trucks (16) wheels Wheel truck swivels (2) & bearings (8) - this allows the cart to turn on curved track. *Structural materials such as wood framing and PVC rails are not included.