* 64-page book of step-by-step instructions for building 10 LEGO race cars and a custom track to race two cars at the same time.
* Includes all 124 bricks you need to build 10 different race cars, with variations in different colors and opportunity to mix-and-match pieces.
* Offers the unique combination of STEM learning and playful creativity in line with Klutz's bestselling LEGO Chain Reactions, LEGO Gadgets, and LEGO Gear Bots.
