This Katherine Johnson Doll is part of the Inspiring Women series from Barbie

and even sneaky impostor missions around the house

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Hot Wheels Track Builder Unlimited Ultra Boost Kit Track Set Halo This Katherine Johnson Doll isThe interchangeable propeller and intersection link with one other and with additional circuits (available separately) to allow you to construct incredible courses! With Track Builder Unlimited, kids can create any run or stunt they can think. Just click "Ready, Build" to get started. Both the propellers and the junction may be linked on the side, or one can be attached above and the other below. The stackable propeller and junction can be constructed