"  Crash and LEARN with this LEGO version of a block car race! Build and rebuild 8+ race cars, then race them along the track, as you find out about Newton's laws, aerodynamics and crash-test safety. Creative prompts encourage tons of personalization. This set includes: Chipboard custom racetrack with levers 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. papercraft extras 64-page book of step-by-step instructions for building the 10 LEGO race cars and a custom track  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.   What is Klutz? Klutz is a premium brand of book-based activity kits, designed to inspire creativity in every child. Our unique combination of crystal-clear instructions, custom tools and materials and hearty helpings of humour is 100% guaranteed to kick-start creativity. Super-clear instructions Open-ended creativity Rewarding reading Skills to build on Everything you need"