The space-saving alternative to the Bernoulli rail.
Sometimes there is no room for a fast downhill rail, but the ball still has to go down quickly and in a space-saving manner?
The solution is the S-Tube! This 3D printed add-on for GraviTrax leads 7.5 height stones downwards (corresponds to one Pro column and one transparent level). No space is wasted on the base plate, as it continues directly on the next field - just further down!
