Track Builder Multi Loop Box, Id Race PortalTwo Hot Wheels track sets include the Track Builder Multi Loop Box Set filled with an impressive piece count of Track Builder parts. The Multi Loop includes 10 feet of track, connectors, launcher, Hot Wheels vehicle, and Stunt Box. It's all about open-ended stunting, experimentation, and the crazy loop action kids can create! The lid and bin are integrated into the play with 8 places to connect track on the lid and 2 scoring buckets on the bottom of the bin! AND the new Hot Wheels id Race Portal! Kids can experience the thrill of high-speed racing and customize their sets again and again. Tracks and vehicles are compatible. With the revolutionary new Race Portal and free app kids can race safely with a connected platform and wirelessly measure speed and count laps. The Race Portal includes two exclusive Hot Wheels id vehicles with embedded NFC chips to take kids to an entirely new level of play.Track Builder Multi Loop Box, Id Race Portal