Join Chris from The Masked Marble as he unboxes the GraviTrax Jumper Expansion! This marble run extension adds a Jumper … source

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GraviTrax marble cannons going so fast, the marbles can barely be seen! source

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This 3D printed Circle Rail for GraviTrax marble runs was built by the MarbleMania3D shop on Etsy. See the long form video for … source

Join Chris from @MaskedMarble as he unboxes the GraviTrax Catapult Expansion! This marble run extension adds a Catapult to … source

Watch the marble machine make this mosaic! ASMR-style, no mid-roll ads. Building the machine – https://youtu.be/xsglFJWVTMg … source

This GraviTrax marble machine builds pixel art mosaics! Watch the full video to see how! Just click the link that says “Created from … source

A new GraviTrax trick: Self-loading marbles in the GraviTrax spinner. It’s a great way to pause your marble run! Plus, a sneak peak … source