Draw a quarter circle with a radius of about 14 to 16 inches using a pencil tied to a string. Cut out the quarter circle.
Trim off a little bit from the tip or pivot point of your quarter circle. Cut 5 to 6 long strips of crepe paper. Gather them on one end, and twist to compact that end.
Tape the trailing veil or streamers onto the tip of your quarter circle. Roll the quarter circle into a cone and staple at the base.
Glue or tape along the seams. Add a chin strap if you like. Punch opposite holes along the bottom edge of the hat and attach an elastic string.
Finally, express your creative flair by providing them with lots of materials to work with like ribbons, boas, sequins, stickers, rhinestones, glitter glue, fabric scraps, craft foam, etc.