That is an extremely appealing and enjoyable set for newbies and young Mini 4WD fans. It has the Oval Residence Circuit with sky blue and beige-colored track sections, plus completed types of the adorable Shirokumakko (Item 95227) and Panda Racer (Item 95228). All you have to purchase are AA batteries for the automobiles then arranged the track for a few enjoyable race! Oval Home Circuit (Two-Level Lane Change) x1 Circuit is roughly 10 meters over 2 laps, and measures 216cm x 120 cm whenever put together. The fence height is around 5cm. Mini 4WD Shirokumakko (Finished Model) x1 Mini 4WD Panda Racer (Finished Model) x1 Four AA batteries (offered separately) have to run the Mini 4WD vehicles.