Print off a copy of the plane.
You can access a copy HERE.
Flip over, from left to right.
Fold the left side over to and even with
the right side.
Unfold and fold the top left corner down
along the center crease.
Repeat the fold on the top right corner.
Fold the top edge down until you see the
shark's mouth at the top.
Take the top left corner down to the
intersection of the dashed lines.
Take the top right corner down to the
intersection of the dashed lines.
Fold the point up as shown to lock in the
two previous folds.
Flip over, from left to right.
Fold the right side over to and even with
the left side.
Fold the top wing over from left to right,
keeping the angled left side even with the
right side.
Flip over, from left to right.
Fold the right angled edge over to and
even with the left side.
Elevate the wings to a slight dihedral,
and give it a good toss!