Picture of Gravitrax kit
Building Level
High School
Design, build and race marbles through your own obstacle course tracks and use gravity, magnetism, and kinetics to propel them to the finish with this interactive construction toy for kids.

GraviTrax PRO Marble Run Starter Set Vertical includes height pillars, walls, balconies, short bernoulli tracks, and all the essential GraviTrax elements for endless building activities to do on your own or in a group.