Take a sheet of A4 (or letter) size paper, fold in half sideways to make a crease and unfold.
Fold the top corners to meet the center line.
Fold the top side corners to meet the center line.
Fold the top corner downward.
Fold the item in half backward.
Fold to the right slantwise to make a wing.
Make another wing the same way.
The Glider is complete! Launch it into the sky!