Crash and LEARN with this LEGO version of ablock 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-testsafety.Creative prompts encourage tons of personalization.This set includes: Chipboard custom racetrack with levers to race two cars at thesame timeIncludes all 124 bricks you need to build 10 differentrace cars, with variations in different colors and opportunityto mix-and-match pieces.papercraft extras64-page book of step-by-step instructions for building the 10LEGO race cars and a custom track  Offers the unique combination of STEM learning and playfulcreativity in line with Klutz's bestsellingLEGO Chain Reactions, LEGO Gadgets, and LEGO GearBots.  What is Klutz?Klutz is a premium brand of book-based activity kits, designedto inspire creativity in every child. Our unique combination ofcrystal-clear instructions, custom tools and materials and heartyhelpings of humour is 100% guaranteed to kick-start creativity. Super-clear instructionsOpen-ended creativityRewarding readingSkills to build onEverything you need