Upcycled 3D Coral Reef Craft - Living Porpoisefully (2024)

Hey reef lover! Help spread reef awareness & appreciation by sharing this post, liking on YouTube, and pinning on Pinterest:

Coral reefs are one of the planet’s most amazing habitats, giving homes to countless ocean animals and even providing us oxygen, food and medicine!

As a marine science educator, I LOVE teaching about reefs. All ages from kids to adults are drawn to the many colors, textures, shapes, and sizes of marine life found on the reef.

To celebrate these important ocean ecosystems and help spread awareness, appreciation + conservation for reefs, we’ve created an eco-friendly craft using many upcycled materials.

You’re bound to have many of these items in your household, and it gives new life to things like packing materials that may otherwise end up in the trash. Encouraging kids to be creative with what you have is a great part of this activity!

Getting to snorkel or scuba dive a coral reef in person is an amazing experience, but this craft adventure is a good stand-in when travel isn’t an option (or to extend learning before or after a tropical vacation).

It’s a great summer activity for kids at home or camp, or in the classroom or homeschool during an ocean unit. With help, preschoolers can do many of the steps too. It might just become a fun family project, with lots of different unique pieces that each member of the family can contribute!

Looking for more travel-free adventures? Dive into our Living Porpoisefully® Sea School online courses!

You can also dive deeper with the help of our book, A.B. and the 7 Seas to learn more and identify many of the marine animals in the printable. So fun!

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    (Kids’ Ocean ID Book) A.B. and the 7 Seas

    $10.00

How-to Video

In the video below, you’ll see different kinds of coral made with household supplies: brain coral, bubble coral, staghorn coral, and sea fans.

Coral is actually a colony of animals! Many kinds of coral build hard skeletons, making rocks underneath them as they grow, while others grow soft skeletons and make sea fans.

Our sped-up version gives you some ideas of how to make your own, which will be a unique creation!

TIP: If you don’t want to make the stacked or tiered version, you can keep it simple by using either the bowl or plate as your reef base.

Printable Coral Reef Animals

Download our free printable coral reef animal cutouts below to make your reef complete.

TIP: They’re designed to fold in half, helping to give a more 3D look. We glued some of the animals to pipe cleaners to make them “swim”, and others directly to coral or rocks.

Printable Coral Reef Animal CutoutsDownload

Dive deeper with the help of our book! Learn more and identify many of the animals using A.B. and the 7 Seas:

Upcycled 3D Coral Reef Craft - Living Porpoisefully (4)

How to Stack

(This is shown in the video above.) Using the paper plate, bowl, and toilet paper roll, the combination creates a stacked structure with the layers that reefs have. Of course feel free to use either the plate or the bowl to make it a single layer, still a very cool 3D creation!

  1. Before gluing the coral decorations onto the bottom reef (plate), glue one end of the toilet paper roll to the plate.
  2. After the coral decorations have been attached to the bowl & plate, stack them by gluing the top part of the toilet paper roll and placing the bowl on top of the TP roll end to secure.

Suggested Supplies (be creative with what you have!)

By using recycled materials or things you have around the house, you can help minimize impact on the environment.

  • egg carton
  • bubble wrap
  • brown packing paper
  • toilet paper roll
  • paper plate
  • paper bowl
  • mesh potato bags
  • tissue paper (we used aqua for the bases, and pink/yellow for sea fans or sea sponges)
  • a few craft pom poms (for sea urchins)
  • mod podge or glue
  • paint (we used 4 colors: blue, pink, purple, yellow)
  • paintbrush
  • hole punch
  • pipe cleaners
  • hot glue gun & sticks (*Be careful of burns & always have adult supervision if you allow kids to handle hot glue.*)
  • scissors
  • toothpicks
  • string

Protect Coral Reefs

Coral reefs need your help! They are under threat by many different impacts, like warming ocean temperatures, pollution from fertilizers & plastic, ocean acidification, and the sunscreen we wear (even inland!).

To dive into how you can swap your sunscreen for one that’s reef-friendly, check out our infographic:

Quick Guide to Reef-Friendly Sunscreen

You can also help spread awareness and appreciation of reefs by sharing this post or pinning on Pinterest. We hope you enjoyed the adventure and keep exploring the amazing ocean world!

Live porpoisefully,

Eve + Rett (EveRett) Taylor

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Disclaimer: All activities on this blog are intended to be performed with adult supervision. Appropriate and reasonable caution should be used when activities call for the use of materials that could potentially be harmful, such as scissors, hot glue, or items that could present a choking risk (small items), or a drowning risk (water activities), and with introducing a new food/ingredient to a child (allergies). Observe caution and safety at all times. The author and blog disclaim liability for any damage, mishap, or injury that may occur from engaging in any of these activities on this blog.

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Upcycled 3D Coral Reef Craft - Living Porpoisefully (2024)

FAQs

How to make a model of a coral reef? ›

Take a grapefruit-size piece of green Play Doh™ or Model Magic™ and make it into a dome shape. Then stick pieces of "radiatore" pasta on the surface. Put the pasta at different angles to imitate the maze-like pattern on brain coral. Put the pasta-covered dough on a piece of newspaper.

How a Hong Kong startup is using 3D printed tiles to help restore coral reefs? ›

His team, in a world-first, 3D-printed artificial reef tiles made from terracotta. They're non-toxic and biodegradable. The team placed the tiles on the sandy bottom of a protected bay and seeded them with living coral, and 95% survived in the past two years.

Can 3D printing save coral reefs? ›

Australia-based Reef Design Lab has used 3D printing to design molds for artificial reefs made from marine-concrete that have successfully increased biodiversity in a Maldives lagoon (Cairns, 2021). The reef structure was printed and cast, then filled with concrete and dropped seven meters below the surface.

Is coral reef restoration worth it? ›

Why is coral reef restoration important? Climate change is the biggest threat to our Great Barrier Reef and coral reefs around the world. Their survival depends on the world's leaders taking drastic and rapid action to reduce global emissions.

What are the advantages of 3D printing coral reefs? ›

3D-printed reefs offer innovative solution

The structures will also provide hard surfaces and crevices onto which other organisms can attach. The 3D-printed reefs, which are about 1 cubic meter in size and weigh up to half a ton, vary in their exact shape to best imitate natural habitats.

What technology is used to help coral reefs? ›

To help preserve and restore coral, scientists are using an innovative technology called biorock. Biorock is a piece of technology that has a low-voltage direct current which is run through steel. This electricity can then interact with minerals in the seawater and cause solid limestone to grow on the structure.

What is the new technology for coral reefs? ›

Biorock Technology

The nonprofit Global Coral Reef Alliance says biorock reefs help speed the growth of coral and make them more resistant to temperature spikes and acidity.

Does 3D printing produce waste? ›

There is no established end of life (EoL) processing system in additive manufacturing for 3D printed polymer parts. Because of this, plastic waste generated from 3D printing is rarely recycled and therefore, will typically end up in landfill.

Are artificial coral reefs good or bad? ›

Artificial reefs can help restore and create new habitats for marine species to thrive. Biodiversity enhancement: Artificial reefs attract a wide range of marine organisms, including fish, crustaceans, mollusks, and plants. By increasing biodiversity, these structures can contribute to healthier marine ecosystems.

Why is coral dying a problem? ›

Coral is extremely sensitive to water temperature. Recently with rising ocean temperatures due to climate change, coral has begun to bleach. Coral bleaching is the first sign of coral death. If too many reefs die, this can lead to the destruction of marine ecosystems and even the extinction of some fish.

Will coral reefs grow back? ›

Some reefs have recovered strongly, some very little. Some reefs are recovering with less Acropora than before, some with more. Each reef is charting its own course on the journey from impact to recovery and back again.

Can we recreate coral reefs? ›

Coral restoration can take on a number of forms. It can range from simple growing, gardening, and outplanting to harvesting millions of naturally-produced eggs and sperm to create millions of new genetic individuals. The NOAA Restoration Center works with other NOAA offices and partners to help corals recover.

How are coral reefs made kids? ›

Coral reefs are underwater structures made up of tiny animals called coral polyps. The animals live in big groups and stick to a hard surface. Together, they create a bright and colorful ecosystem that provides food and shelter for many marine animals, like turtles, fish, sharks, and more.

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