Think your Hotwheels track was awesome? Think again. This one here is the largest wall track in the world.

Hotwheels rigged up the monster at this year's fan fest in Barcelona, showing a seven story glory to 40,000 Hotwheels fans. The video is in Spanish, but just focus on the tiny cars bustling through the track. It's almost the equivalent of car porn. Check it out below: [Autoweek]