This creates a path through the maze. Scaling this path along the Z-axis, and then replacing the path with a marble track creates the run. It’s then a simple matter of adding a shaft to the loop ...

LAUREN:'Tony and Satwinder are making a huge marble run out of steel 'that Ocean can ... materials such as fibreglass can be used to create solid structures. How do sliding doors work?

Woodworker extraordinaire [Matthais] was approached by a toy company to create a ‘marble run’ toy. [Matthais]’ jig-building skills are beyond reproach, so whipping up a prototype for this ...