Hot Wheels Massive Loop Mayhem Track Set with LauncherThe Hot Wheels Massive Loop Mayhem track set is a huge looping challenge thats full of excitement and thrills! It includes a 28 inch wide track loop around which multiple cars race and avoid near misses. One Hot Wheels vehicle is included, but the challenge lies in how many cars kids can have flying around the track at one time before theres an awesome crash (additional cars sold separately)! A battery box booster keeps the cars in continuous motion