Rules:
The Marble must enter and exit one of the 4 holes at each side of a module
You are not allowed to glue on the module
Timelimits are: Vertical (5 - 10 sec), Horizontal (5 sec), Corner /90 degree module (4 sec)
Work in pairs or close to another solobuilder (to have a helping hand when needed)
Challenges:
Move a marble upwards
Use electronics in the module