How to Make a Box Jellyfish 3-D Model

Updated February 21, 2017

The box jellyfish is one of the strangest and most dangerous creatures in the world. Its transparent body is comprised mostly of water, yet it also contains some of the most deadly venom of any creature on Earth. Even with this danger in mind, the box jellyfish is an incredibly beautiful animal to watch in its natural habitat. You don't have to plan a snorkelling trip to see a box jellyfish, however--you can make a 3-D model of one at home.

Remove the lid from the translucent container. This is the jellyfish's bell or umbrella. Take one plastic bag and cut off the handles. Spread some of the clear adhesive onto the bottom and side of the container. Place the bottom of the bag into the bottom of the container. Press the bag into the bottom and sides to adhere it to the walls of the container. The edges of the open end of the bag will extend beyond the rim of the container. This is the velarium.

Cut the handles off the four remaining bags. Cut off the bottom of each bag, then cut the bags down the centre so that they can be spread out into rectangular shapes. Cut each of the rectangles into four long strips. Twist each strip individually into a long, tight rope, creating four long, tentacle-like strands from each bag, 16 in total. Use tape to fasten together both ends of each tentacle so they don't unravel.

Glue one end of the tentacles to the jellyfish's velarium, four in each corner of the plastic container that forms the jellyfish body. The ends of the tentacles should hang freely. If desired, use tape over the glued area of each set of tentacles as reinforcement.

Glue two craft eyes onto the plastic container just below the rim. Draw 22 black dots (smaller eyes) around the side of the jellyfish also below the rim.


The rectangular container should be made of plastic. The plastic bags should ideally be grocery bags, but plastic sandwich bags or freezer bags may also work. Yes, a box jellyfish has 24 eyes.

Things You'll Need

  • Translucent blue, quart-sized, rectangular food container
  • 5 translucent blue plastic bags
  • Scissors
  • Clear glue
  • Invisible tape
  • Package of craft eyes
  • Black marker
Cite this Article A tool to create a citation to reference this article Cite this Article

About the Author

Jeremy Cato is a writer from Atlanta who graduated with Phi Beta Kappa honors and an English degree from Morehouse College. An avid artist and hobbyist, he began professionally writing in 2011, specializing in crafts-related articles for various websites.