11.5x15.5x6.5" deep box contains Mattel set issued in 1969. Box reads "A Complete Performance Center For Your Hot Wheels Cars." Set includes a battery powered tower w/elevator, Dyno-Meter to measure wheel speed and drift. Small parts, wheel wrench and included car are in factory sealed bag. Die-cast car is metallic Aqua Classic '36 Ford Coupe and comes w/matching collector's button. All other parts have never been removed from box and are packed inside w/cardboard inserts. Box has moderate wear/aging w/corner bumps and edge creases. Still Fine w/contents Mint as issued. Gary Keller Collection.