Step 1:
All five used papers are 6x6 inches.
Fold in half.

Step 8:
Tape/glue both edges together into a round stick.

Step 6:
Fold the upper part downwards.

Step 13:
This is also two papers on top of each other.
Fold in half two times.

Step 12:
Roll up into a tube for the yellow piece.

Step 11:
This is two papers on top of each other.
All three parts are the same size.

Step 10:
This piece is done...

Step 9:
Press flat.

Step 5:
Press flat.

Step 7:
Fold over these two lines.

Step 3:
Fold the edge to the spot indicated by the arrow.

Step 2:
Prefold in half over both lines

Step 4:
Fold over these two lines.

Roll and tape/glue around the model....READY!

In this video Joost Langeveld shows how to make the domino switch (Joost is an Origami artist):