Racing your Hot Wheels cars across tracks, jumping them and racing through loops is all part of the fun of the Hot Wheels brand. All Hot Wheels tracks connect to one another, with cars running across multiple tracks even up walls. New to the range are the Track Builders sets which allow kids to expand their existing Hot Wheels tracks and build even bigger and more complicated track systems. Split Speeders offer kids the ability to split a car in two then combine with another car. All Hot Wheels products are produced by Mattel to high quality standards.