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Gravitrax Looping Add-on

$9.99
Turn the marble upside down with the Looping accessory. Experiment with how much speed the marble needs to loop-the-loop. Including the loop tile and 6 additional tracks, this accessory must be combined with a GraviTrax Starter Set. GraviTrax is a...
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Gravitrax Scoop Add-on

$9.99
Keep your marble run excitement going with the Scoop. Triggered automatically when the marble rolls into it, the Scoop picks up the marble, swings like a trebuchet and propels the marble down the track of the next highest level. This accessory also...
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