hot wheels 4 loop crash out track set hxr70 en gbSpeed through four awesome loops and a three way crash zone with the Hot Wheels Action 4 Loop Crash Out track set. The motorized booster keeps cars moving for greater thrills, and the challenge lies in how many cars can race at once before there's an inevitable crash. The set folds for easy storage, and there's space on the booster to park five 1: 64 scale toy cars. One 1: 64 scale vehicle is included, and additional vehicles are sold separately.