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How to Make a Blowfish Costume

By Katherine Harder
Use foil to make shiny conical spines.

You can quickly identify the blowfish, also known as the puffer fish or the fugu in Japan, by its spiny, round shape and puckered mouth. Although it's cute and plump-looking, it's actually highly poisonous as well. In fact, according to the book “Field Guide to Seafood” by Aliza Green, the common blowfish carries around enough poison to take out 30 adults. If you're a fish buff, try recreating this innocuous looking but poisonous fish using inexpensive craft store materials.

Turn the T-shirt inside out, and place it on your work space with the bottom hem facing you. Measure around your legs directly under your butt, and subtract about 6 inches from that measurement. Cut your elastic to this length.

Hand-sew your elastic ends together to create a loop. Fit this elastic band over the bottom hem of your T-shirt. This should create a gathered effect.

Fold your shirt’s bottom hem up and over the elastic band. This creates a gathered bottom for your T-shirt. Sew the new hem you created. Turn the shirt right side out.

Tear your aluminum foil into 6" x 6" squares. Roll these sections into medium-sized balls and then grasp and twist the tops of the balls to turn them into a spiny cone shape. Spread and flatten the cones’ bottoms. Make enough cones to cover the shirt to your satisfaction. Start with about 50 cones, and make more if the blowfish costume looks sparse after you’ve attached all the cones.

Insert the cardboard square into your T-shirt. Heat up your hot glue gun and glue a dab of hot glue to the bottom of your foil cone. Attach the glued end of the aluminum cone to the shirt. The cardboard insert should keep you from accidentally gluing the front of the shirt to the back. Continue attaching spines to the shirt until it’s covered, and remember to pay equal attention to the sides and back of the shirt.

Cut your foam ball in half with your knife. Paint each half black. These will be your blowfish eyes. Glue their flat sides to the headband using craft glue; hot glue might melt the foam. Glue one to the top left side and the other to the top right side of the headband to mimic the spacing of fish eyes.

Put on your tights and long sleeved undershirt. Put on the T-shirt over it, and arrange the elastic so it sits tightly against your body. Stuff plastic bags into the shirt through the shirt’s neck. This will “puff up” the shirt, and the gathered elastic bottom hem should easily keep the bags from coming out of the bottom. Pull the elastic headband onto your head so the top of the band with the eyes you made rests against your forehead. Draw a large, red, puckered mouth over your own lips to complete the costume.

Tip

You can also make spikes out of craft foam if you want something softer than aluminum.

Try puffing yourself up with cotton batting, which is quieter and more comfortable than plastic bags, although more expensive as well.

Walk around blowing soap bubbles to simulate your underwater environment.

About the Author

Katherine Harder kicked off her writing career in 1999 in the San Antonio magazine "Xeriscapes." She's since worked many freelance gigs. Harder also ghostwrites for blogs and websites. She is the proud owner of a (surprisingly useful) Bachelor of Arts in English from Texas State University.