• The Track Builder Unlimited Power Boost Box combines classic track building play and a digitally connected racing system that revs competition and experimentation
• Designed to be compatible with other sets and the Hot Wheels id system (sold separately) for enhanced versatility and epic Hot Wheels action.
• Challenge kids ages 6 to 10 years old with exciting racing and stunting opportunities that they customize themselves with Track Builder Unlimited.
• Includes an innovative dual booster in the lid and 20 feet of track and parts for 4 racing and stunt configurations compatible with the Hot Wheels Race Portal (sold separately).
• Kids can create any race or stunt they can imagine with Track Builder Unlimited. Ready, Set, BUILD!