Bring your ideas to life with this Mega Construx Inventions Wheels Pack! Take your inventions to the next level with this awesome and huge 400-piece Wheels building set! This souped-up set features so many bricks, including 6x exclusive special pieces, numerous specialty parts, 6x bold colors, and of course, lots of wheels to build roarin' roadsters with! Get the official app for even more inspiration or use your imagination to create the cars of your dreams! Mix and match with other sets to build anything and everything! This Mega Construx Inventions Wheels Pack includes 400-pieces.