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The GraviTrax: Starter Set

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.
The open-play concept offers endless possibilities to design a different track every time you play. Add flair and speed to your tracks with expansion sets and action accessories. Experience the power of gravity with this epic marble run toy.

122 Elements Included

With 18 different types of construction elements, you have everything you need to begin building your own action-packed track systems. You'll get base plates, 2 transparent levels, 6 marbles, large and small height tiles, curves, tracks, a magnetic cannon and many more.

Ready-to-Go Tracks

Explore 9 ready-to-build tracks to get you building as soon as you open the box. The tracks range from easy to difficult and use only elements included in the Starter Set. These are a great way to familiarize yourself with the product to understand how it works.

Challenge Booklet

Discover 24 challenges in the included challenge booklet that will test your GraviTrax skills. Ranging from beginner to very difficult, you can problem-solve to get the marble from start to finish. If you're looking for more challenges, check out the GraviTrax Academy where you can download additional challenges.

Expansion Sets

Add onto your Starter Set with a variety of expansion sets that give you key elements to build bigger tracks or all-new elements to use in your designs.


Expand your capabilities to get the marbles from point A to point B, with action-packed accessories. Try some of these unique elements that give you the ability to bounce, fly and even loop.

The Perfect STEM Toy For Kids

This open-ended, screen-free STEM toy makes the perfect activity for boys and girls ages 8 and up. Why is GraviTrax the perfect STEM toy? Well, GraviTrax:

- Encourages creativity & problem-solving
- Fosters social & cooperative play
- Promotes hands-on, child-led learning
- Supports parents with teaching STEM topics