Under $15

Mix up the marbles’ journey with the Mixer. Add some surprise to your tracks by sending up to three marbles into the Mixer and see which sides they...

Split the directions of the marbles with the Splitter. See if the marbles have enough speed to roll across the trap door. If they roll too slow, th...

Take a spin on the "GraviTrax PRO: Carousel" and set your marble run on a whole new course of fascinating fun!Are you up for a marble run challenge...

Take your marbles on a dizzying journey to a whole new level of fun with the "GraviTrax Spiral"!Put a spin on your amazing marble run with the "Gra...

Abracadabra, presto, chango — your marble run just added some colorful, magical fun with the "GraviTrax Color Swap" accessory! Bring a new element ...

Hammer it home! Propel the marble through your run by adding the Hammer. When triggered, the hammer swings down and hits the marble, giving it mome...

Spring your marble to the track above with the “GraviTrax Jumper” and keep the action hopping!Move up a level! The Jumper lifts your marble to a hi...

GraviTrax Accessories Change up the marble run experience from racing to bouncing with the Trampoline. With specially angled height tiles and sprin...