Customize Your Hot Wheels Experience with the Track Builder Spiral Stack-Up Build and rebuild in every direction, horizontally or vertically, for a truly customized experience every time with the Hot Wheels Track Builder Spiral Stack-Up. Set up the track and place a car at every gate. Launch one car from the top and release any other car that has what it takes to make it to the finish line. EXCLUSIVE PROMOTION: Buy five Hot Wheels cars to get your hands on a free, limited edition Black Car! For more details go to HotWheelsPromotions.co.uk You can win a Hot Wheels Track Builder Spiral Stack-Up worth £20.99. There are fifteen to be won!