Engraved dotes and squares on the strut and holes in the couplers defines which coupler where should be glued.
Build your own marble machine.
Place the cut out trash parts between the ball track and use it as the strut.
If you can get it to the top gravity will do the rest.
See build instructions here.
Build your own marble machine and feel it.
Switch battery aa with battery holder screws pack screwdriver.
15x15x10cm you do not need a soldering iron.
To connect the motor with battery and.
Take a sheet of paper and draw out some ideas.
Think about how you can design your own lifters and get your own ball rolling.
Sandpaper knife wood glue.
Then glue all the couplers in the proper slots.
Http goo gl yjd1bn my other projects.
A marble machine is a creative ball run contraption made from familiar materials designed to send a rolling marble through tubes and funnels across tracks and bumpers and into a catch at the end.
For simplicity the wires are terminated with pins.