Gravitrax Flip Variable browning control

Variable browning control

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Gravitrax Flip Variable browning controlReverse direction and level up your marble run with the GraviTrax Flip! Send the marble in the reverse direction with the Flip! As the marble rolls into the Flip, it releases and transports up a level, slinging it in the opposite direction. This accessory also includes 6 additional tracks and must be combined with the GraviTrax Starter Set. GraviTrax is a modular, electronic free interactive track system where you can design and build your own marble