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Now selling in the USA…do you know the secrets of the GraviTax POWER Starter & Finish Element set from Ravensburger? source

The GraviTrax Ball Box comes with 12 marbles and 4 marble storage boxes for your GraviTrax marble runs. Now available in the … source

Six Shooter mod for the GraviTrax Turntable is available at … source

Here’s a marble racing clip from my documentary, “How it Works: World’s LARGEST Marble Run Computer + Learn Binary … source

Watch the full video to see how to re-whiten your sun-yellowed GraviTrax tiles! source

If your GraviTrax tiles have turned yellow from the sun, try this! This video recommends the use of 3% hydrogen peroxide in … source

They turned a marble run into a game. Is it worth playing? This is my full game review of Ravensburger’s GraviTrax The Game … source

Free add-on for GraviTrax, this finish line is available to print for your 3D printer. The design is available at Thingiverse and … source

Add this marble lift to your GraviTrax marble runs. The GraviTrax POWER Elevator will be available at US retailers September … source