Made of plastic, operation confirmed on R610 oval track. Headlights, taillights, and interior lights confirmed to illuminate with LEDs in both directions. Interior lights have a 24-LED flicker prevention function. The power unit is only compatible with Tenshodo Power Trucks. Due to the height of the Power Truck, use the opposite coupler for coupling. The exterior appears to be in good condition, please judge from the photos. There may be some gear noise. This is a modified item and is considered junk.