Split the directions of the marbles with the Splitter. Will the marbles have enough speed to roll across the trap door? If they roll too slow, the ...
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Boost your speed using magnetic force! More product information Experience the power of gravity! GraviTrax is the all Contruction toy STEM track sy...
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GraviTrax Accessory Cause an explosion with the Volcano, unleashing new energy into your marble run! When a marble rolls into the push button of th...
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GraviTrax Accessories Stop, collect, and release the marbles with the Tip Tube! Perfect for racing, the Tip Tube gathers the marbles in a tube and ...
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