I made a GraviTrax Tower of Power with spinners! How long with they spin? Watch the entire marble run here: … source

The box covers have been released for the upcoming GraviTrax Power Launch Starter set and Interaction Extension set. source

In GraviTrax Set vs. Set, we compare the contents of GraviTrax marble run sets. In this episode, we compare the GraviTrax XXL … source

These 3D-printed Zigzags for GraviTrax marble runs were built by the MarbleMania3D shop on Etsy. I purchased one of these … source

Join Chris from The Masked Marble as he unboxes the GraviTrax Trampoline Expansion! This marble run extension adds 2 … source

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A new GraviTrax trick to launch a cascade of marbles from a seesaw. It’s a tricky trick to make it work, but the wow factor is high. source

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Build working computers out of marble runs! Build a new digital logic circuit each week using the GraviTrax marble run system. source

I’m reviewing over 70 GraviTrax add-ons from 7 Etsy shops. In this episode, I review add-ons from TracksCreations. Add to your … source