With the GraviTrax PRO Starter Set Vertical, the inventive spirit is unleashed and you can dive straight into the endlessly expandable marble run universe. With over 150 parts and a variety of building blocks, nothing stands in the way of surprising and action-packed building fun. The example tracks and instructions provide a playful introduction to the GraviTrax universe and encourage creativity for building your own tracks.

GraviTrax is a flexibly expandable, interactive marble run system for children aged 8 and over: With GraviTrax, children, teenagers and adults don't just build simple marble runs. They create unique marble run worlds. By freely designing the marble runs and exploring the rolling behavior of the balls, the understanding of science is sharpened and gravity can be experienced at first hand.