That is a very attractive and fun set for newbies and young Mini 4WD fans. It's the Oval Residence Circuit with sky blue and beige-colored track components, plus completed models of the adorable Shirokumakko (Item 95227) and Panda Racer (Item 95228). All you've got to buy are AA batteries the vehicles then setup the track for a few enjoyable racing! Oval Home Circuit (Two-Level Lane Change) x1 Circuit is pretty much 10 meters over 2 laps, and measures 216cm x 120 cm when assembled. The fence height is more or less 5cm. Mini 4WD Shirokumakko (Finished Model) x1 Mini 4WD Panda Racer (Finished Model) x1 Four AA batteries (offered individually) must run the Mini 4WD automobiles.