BUILD tons of spectacular racetracks, perfect for high-speed action! CUSTOMIZE endlessly with epic jumps, twisty loops, rattling rails and much more! PAINT your course’s terrain with slippery water splashes, bubbling lava or messy mud! BOOST your track’s Light Power by building the most creative courses! COLLECT Sparks along the way and get awesome rewards! BLAST off at blazing speed on your own light-powered tracks! RACE in either “1-Player” or “2-Player” mode to challenge a friend! TAP the green button as fast as you can to get going at high speed! FUEL your boost to blast your way to victory! UPGRADE your cars with awesome skins, studded tires, solid shields and much more!