Engraved dotes and squares on the strut and holes in the couplers defines which coupler where should be glued.
Build your own marble machine.
Switch battery aa with battery holder screws pack screwdriver.
15x15x10cm you do not need a soldering iron.
Place the cut out trash parts between the ball track and use it as the strut.
To connect the motor with battery and.
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.
Sandpaper knife wood glue.
Then glue all the couplers in the proper slots.
Build your own marble machine and feel it.
See build instructions here.
Laser cut wood components motor with rudder arm steel balls.
Think about how you can design your own lifters and get your own ball rolling.
Http goo gl yjd1bn my other projects.
In this activity guide you ll learn how to build a pegboard panel that will allow you to experiment with a variety of household materials to.