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Ships within 48 hours · Estimated delivery Nov 6 - Nov 11
TRX-4M is equipped to take on tough off-road terrain with grippy soft-compound tires
without frustration
Includes 540-type brushed motor
BORDM-BT018
Lowest center of gravity of all competitors to corner with confidence
GraviTrax Color Swap - Marble run accessories Sandpapers/Files/Engraving TRX-4M is equipped to takeThe GraviTrax Color Swap element changes the color of the balls as they pass through. If a ball rolls into the Color Swap, the color of the ball changes as if by magic when it leaves the element. The illusion can be created in two ways. Firstly, the element can be loaded with a ball at the start or the Color Swap can be built into the track. Combined with any GraviTrax starter set, the Color Swap adds a whole new dimension to the track. GraviTrax is a
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