Collect & Build the yellow Sports Car, #4 of 4 in the Racecar Rally Series! This set is motorized for exciting, high-speed racing action, and includes 219 bricks, rods, connectors, wheels and specialty parts. There is even a K'NEXman to sit in the driver's seat! Build the lead model or an introductory model, then combine with the Formula Car for an even bigger racer! You can also build a finish line with the spare parts! Each set sold separately. Requires 2 "AA" batteries.