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GraviTrax Expansion Set: Trax – Extend your run! Only playable with GraviTrax starter set Clear instructions comes with clear instructions so that you can start building and playing within minutes. GraviTrax Expansion Set: Trax – Extend your run! Only playable with GraviTrax starter set Clear instructions comes with clear instructions so that you can start building and playing within minutes.

Develops critical skills playing and building with GraviTrax builds spatial reasoning and planning skills, and provides a great stealth learning experience.

Includes – 44 expansion pieces: 16 large height tiles, 8 small height tiles, 7 curves, 1 junction, 1 long Track, 2 medium tracks, 3 short tracks, 6 balls

Expand your GraviTrax starter-set with the tram expansion pack. With this set, you can take your GraviTrax system to a whole new level. Combine the vertical blocks, curves and tracks with your GraviTrax starter set for even more action and suspense. How long can you keep the marbles going? Can you beat your own record?

With the GraviTrax interactive track system, You can design and build your own race tracks and experiment with gravity, magnetism, and kinetics to propel your ball to the finish. With a variety of tiles, levels, tracks and features, you can control the speed of each ball. The open-ended building 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 GraviTrax. With this set, you can take your ball run to a whole new level. How long can you keep the balls rolling? Combine the peaks, curves and rails with your GraviTrax Starter Set for even more ball track action .The GraviTrax track system makes experiencing gravity fun! The track can be infinitely extended with various add-ons for endless building and racing enjoyment! Can you beat your own record?