The Hot Wheels Track Builder Unlimited Rapid Launch Builder Box includes 30 track-building components for kids to create a most epic racing and stunting course of their own design With 3 stunting routes to choose from, kids get to experiment with force and speed and hone their problem-solving skills with adventurous toy car play. External storage compartments conveniently and securely hold the various track components, and there's also room inside the box for existing track pieces or for ones yet to be acquired. The tracks and connectors are compatible with other Hot Wheels sets so kids can build out to create an awesome course of exciting stunts and challenges The Hot Wheels Track Builder Unlimited Rapid Launch Builder Box set is an incredible all-in-one gift for kids 6 years and older who are just beginning their Hot Wheels adventure as well as the experienced builder who craves more stunting, more racing and more speed.