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How to make a jellyfish costume with a witch hat

Updated November 21, 2016

When Halloween rolls around or you are invited to a fancy dress party any time of the year, you may spend hours trying to come up with a unique costume that stands apart from all the ready-made costumes out there. A jellyfish is one costume idea that is both simple and inexpensive to make. To make your own jellyfish costume, you need little more than a witch's hat, some tights and a plastic shopping bag. The finished product is a costume you will not see on another party guest.

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  1. Bend the point of a witch's hat in half. Staple it down to brim of the hat. Cover the top of a witch's costume hat with a large plastic shopping bag. Fill the inside of the bag with plastic bags or newspaper. You want a rounded look that resembles the jellyfish's body. Attach the edges of the plastic bag underneath the brim of the witch's hat using hot glue.

  2. Spray paint the bag covering the witch's hat blue or whatever colour you want your finished jellyfish to be. Allow it to dry overnight.

  3. Cut the legs off five to six pairs of tights where the legs attach. Discard the waistband portion of the hose. Stuff the inside of the tights' legs with cotton batting. Insert the batting from the toe of the tights all the way to the top, leaving 2.5 cm (1 inch) empty at the top to tie the ends of the tights off. Use enough batting to give the legs a full look. The amount of batting required will vary depending on the size of tights you use.

  4. Spray paint the stuffed pantyhose legs with the same colour of spray paint you used for the plastic bag. Allow the spray paint to dry completely. Generally, this take 6 to 8 hours, or overnight.

  5. Attach the stuffed pantyhose legs to the underside of the hat brim. Space the legs evenly apart on the hat brim. Use a hot glue gun or sew them on with a needle and thread.

  6. Wear a solid blue sweat suit to represent the ocean's water. If desired, cut out pieces of green felt to represent seaweed and attach them to the sweat suit using hot glue. Another idea is to make bubbles out of styrofoam balls. Spray paint eight or nine 2.5 to 5 cm (1 to 2 inch) balls with a pearl spray paint. Hot glue the painted balls to the sweat suit once the paint dries. Drying times vary, but the sweat suit will generally be ready in about 6 to 8 hours.

  7. Put on the jellyfish witch's hat to complete the outfit.

  8. Tip

    Another idea is to replace the tentacles of the jellyfish with pieces of coloured tensile or ribbon. Instead of the plastic bag, cover the top of the witch's hat with coloured fabric. The plastic bag is less expensive than fabric and has a less stiff look than fabric, however, fabric is easier to work with.


    When working with spray paint, work in a well ventilated area. Wear a face mask and eye protection to prevent eye or respiratory irritation. Hot glue guns become incredibly hot. Avoid touching the metal tip of the gun or the glue until it cools.

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Things You'll Need

  • Witch's hat
  • Stapler
  • Large plastic shopping bag
  • Newspaper
  • Hot glue gun and glue
  • Blue spray paint
  • 6 pairs of tights
  • Cotton batting
  • Needle
  • Thread
  • Blue track suit
  • Green felt
  • Scissors
  • Styrofoam balls

About the Author

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