Build your obstacle course!

GraviTrax is a unique marble-run system featuring hexagonal risers and track tiles that simply fit and stack together, rail-tracks that hook into place, and stunt pieces that add exhilarating twists, turns, jumps, and surprises.

This set doesn't just give you a running start - it also sends you racing, launching, and bouncing into all kinds of incredible possibilities right out of the box!

Follow the included construction plans to quickly get the hang of things, then start experimenting with gravity, magnetism, and kinetics as you invent and build tracks of your own design.

Marbles launching off the tracK? Not rolling fast enough to make it from start to finish? It's time to problem-solve and rebuild the perfect solution!

Incredibly open-ended construction and mesmerizing obstacles spark a new passion for STEM innovation with the GraviTrax Starter Set Obstacle Pack.

GraviTrax - Starter Set Obstacle Pack

Open-ended marble run set featuring unique obstacles and tricks
Encourages spatial reasoning, logic, planning, problem-solving, experimentation
A thrilling adventure in physics and engineering!
Pieces simply stack and fit into place atop the baseplates
Track pieces easily hook onto sides of tiles at nearly any degree
Experiment with gravity, acceleration, kinetc energy, and more
Features construction plans for an easy start
Amazingly open-ended - Add more GraviTrax sets for even more possibilities - Sold separately
High-quality materials and construction - Lasting durability, exceptional building experience

Contents: 4 base plates, 2 transparent levels, 6 balls, 56 large height tiles, 12 small height tiles, 2 angled height tiles, 21 curves, 3 junctions, 2 switches, 1 3-in-1 block, 1 vortex, 1 launchpad, 1 extra-long narrow plastic track, 1 extra long slow plastic track, 3 long plastic tracks, 9 short plastic tracks, 3 length-adjustable bridges, 3 transfers, 2 trampolines, 1 zipline, 2 spirals, 1 finish line, 4 basic tiles, 2 catchers, 1 freefall, 1 splash, 1 landing, 1 set of instructions, 1 set of construction plans.

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GraviTrax: Starter Set Obstacle Pack