This will be an extremely appealing and fun set for novices and young Mini 4WD fans. It contains the Oval Residence Circuit with sky blue and beige-colored track parts, plus finished models of the adorable Shirokumakko (Item 95227) and Panda Racer (product 95228). All you need to purchase are AA batteries the cars then arranged the track for some fun racing! Oval Residence Circuit (Two-Level Lane Change) x1 Circuit is about 10 meters over 2 laps, and measures 216cm x 120 cm whenever put together. The fence height is roughly 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.