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Hot Wheels Track Builder with Car tgtgHO20STEM&ScienceToys Welcome to the fascinating worldBring the ultimate Hot Wheels action home with this massive 15 foot track builder set! It includes one Hot Wheels car to jumpstart your fast paced fun, plus 12 pieces of 9 inch track, 6 pieces of 12 inch track, and 18 connectors for endless racing possibilities. Send your car zooming through twists, turns, and straightaways or challenge your collections fastest cars to see who wins. Easily attach this set to other Hot Wheels tracks (sold separately)