GraviTrax PRO - Helix Default:Default this publication invites you to

this publication invites you to learn from industry experts

our scalloped edge tiles are easy to work with

designed to evoke a sense of authenticity in your dioramas and model environments

and learning all in one

GraviTrax PRO - Helix Default:Default this publication invites you toNOTE: Please allow 10 days for shipping for this product. GraviTrax PRO Helix Take your marble run adventures to the next level with the GraviTrax PRO Helix. This clever Action Stone allows marbles to move seamlessly down to a lower level without changing direction, adding a new layer of creativity and challenge to every build. Up to six marbles can race through the Helix at once, making it perfect for experimenting with gravity, speed, and motion.