Start with a square sheet of paper
Fold the paper diagonally corner to corner
Unfold it
Fold it diagonally the other way
Unfold it again
Fold each corner into the center
Flip the paper over
Fold each corner into the center again
Fold the paper in half horizontally
Unfold it
Fold the paper in half vertically
Unfold it
Put your fingers and thumbs into the four open pockets
Pinch and move the cootie catcher open and closed
Write colors, numbers, and fortunes on the outside and inside flaps