Hot WheelsWith a Hot Wheels Stunt Tracks Champion Track Set, kids can build stunting courses for their Hot Wheels toy cars. Get the Hot Wheels Stunt Tracks Slam Jump Challenge or the Hot Wheels Stunt Track Loop Flag Finish Track Set, or get them both for awesome stunting. The Hot Wheels Stunt Tracks Slam Jump Challenge includes an adjustable jump for increasing difficulty. In the Hot Wheels Stunt Track Loop Flag Finish Track Set, kids can build an epic stunting circuit with a big loop as its focal point. Each set includes a 1 - 64 scale Hot Wheels car and features Speed Snap Track System components that can be used interchangeably with other Hot Wheels sets and tracks. Additional sets and tracks sold separately. The included adapter creates reverse compatibility to traditional Hot Wheels track. 4+ years