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Ready to up your game by experiencing the true power of gravity? With the GraviTrax interactive track system, you can design and build your own marble runs and experiment with gravity, magnetism, and kinetics to propel your marble to the finish. With a variety of tiles, levels, tracks and elements, you can control the speed of the marble. A Holiday Wish Guide™ Pick, The Rock Father™ and Ravensburger have teamed-up to showcase the GraviTrax System and give you a chance to win a GraviTrax Starter Set!

GraviTrax Starter Set by Ravensburger

With over 100 pieces and 18 different construction elements, the GraviTrax Starter Set offers everything you need to begin building your own action-packed track systems. Discover how the laws of physics affect the journey your marble takes with curves, junctions, freefalls and even a cannon. Experiment using different heights and angles to control the speed of the marble to get it to the finish.

GraviTrax Starter Set 


ENTER TO WIN by answering this question: What is the craziest game you’ve ever played?

After that, you can complete social actions for additional, completely optional entries. Please Note: By entering giveaways on The Rock Father™ Magazine, you agree to comply with my fairness policy. 

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The Rock Father’s Holiday Wish Guide™ Giveaway Series 2018

The Fine Print: Promotion open to U.S. residents only, ages 18+, void where prohibited. Two winners will be chosen at random on, about, or after December 4, 2018, and will be notified via email to confirm. If no response within 24 hours, an alternate winner will be chosen. Prizing provided and shipped by Ravensburger. This is in no way sponsored, endorsed or administered by, or associated with Facebook, Instagram, Twitter or any social network. It is our intention to get prizing shipped and delivered by Christmas, but this is in no way guaranteed.

1980s-style Disclaimer (the finer print): Many will enter, few will win! The Rock Father is not responsible for shipping or for any lost or misdirected packages. In the rare occasion that a prize does not arrive (which, sadly, has happened), you have no remedy other than moving on. Please allow 4-6 weeks for delivery, but it seldom ever takes that long – we just have to say that. 

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