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Gravitrax Marble Run defies gravity with 30% off Cyber Monday sale

The innovative GraviTrax marble game is on a deep discount for Black Friday. (Image credit: Ravensburger)

Losing your marbles over educational games for the kids? You can engineer an interest in tech topics with the award-winning Ravensburger Gravitrax Starter Set Marble Run, on sale now for an incredible 30% off at Amazon

This game usually retails for well over $50, so you'll want to grab it at the gravity-defying price of $42 before the deal disappears. 

Beginners will have lots of guidance to get started, including 122 elements to start building, nine ready-to-go track designs, and dozens of fun challenges in kinetics, gravity, mechanics and other physics concepts.

Watching the ball curve through an obstacle course is an adventure for youngsters, as they get to build crosses, freefalls and even a cannon to propel marbles through the path. This game is a great introduction to science, engineering, technology and math (STEM) education that may carry your kids' interest for hours.

Best Gravitrax Deal

Ravensburger Gravitrax Starter Set Marble Run: $59.99 $41.99 at Amazon

The award-winning Ravensburger Gravitrax Starter Set Marble Run is 30% off for Black Friday at Amazon.  This set lets you design and build race tracks for marbles, encouraging your kids to experiment with engineering, magnetism, gravity and kinetics.
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While beginners will get a lot out of the game, your kids can easily go off-track and begin building designs from scratch. Numerous expansions are available, too, once your kids are ready to graduate to advanced marble moves.

Knowing the laws of physics will definitely help space fans in their jobs and also in their fun. Space exploration is dominated by concepts such as gravity, orbits, and celestial mechanics. Spinning marbles around is a great introduction to these physics concepts as — similarly to space — friction is minimized on the rolling balls.

Marble Run is available now at a great deal, so act quickly ahead of the holidays!

Be sure to check out's Black Friday deals for space fans, as well as our deals on Celestron telescopes and binoculars.

Ravensburger Gravitrax Starter Set Marble Run: $59.99 $41.99 at Amazon

Get your kids' interest rolling in STEM (science, technology, engineering and math) with the Ravensburger Gravitrax Starter Set Marble Run, which is 30% off for Black Friday at Amazon. This fun marble game encourages "stealth learning" of basic physics principles such as magnetism, kinetics and gravity.
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Elizabeth Howell
Elizabeth Howell is a contributing writer for who is one of the few Canadian journalists to report regularly on space exploration. She is pursuing a Ph.D. part-time in aerospace sciences (University of North Dakota) after completing an M.Sc. (space studies) at the same institution. She also holds a bachelor of journalism degree from Carleton University. Besides writing, Elizabeth teaches communications at the university and community college level. To see her latest projects, follow Elizabeth on Twitter at @HowellSpace.