Ocean crafts are a fantastic way to bring the magic of the sea into your daycare and engage toddlers in creative play. Dive into these fun and colorful ideas that are perfect for little hands and curious minds!
Cardboard Tube Sea Turtles
Use cardboard tubes to craft sea turtles with paper flippers. This is a great way to recycle materials and teach about ocean conservation. Pair these turtles with some fun fish craft ideas to complete your underwater scene.
Jellyfish Sensory Bags
Fill ziplock bags with hair gel and tiny jellyfish cutouts for a squishy sensory experience. It’s a calm and soothing activity that’s perfect for quiet time.
Ocean in a Bottle
Fill plastic bottles with water, blue food coloring, and tiny sea creature toys to create a mesmerizing ocean scene. Toddlers are fascinated by the gentle swirls of color and movement. This is just one of many fun sensory bottle ideas you can easily make at home.
Seashell Painting
Gather some seashells and let the kids unleash their creativity with paints and brushes. It’s such a joy to see how each child creates a unique masterpiece inspired by the sea. For more seasonal activities, explore some fun New Year crafts for toddlers.
Fish Bowl Collages
Create a fish bowl collage using assorted papers and stickers. It’s a great way for kids to express their creativity and design their own underwater worlds. This craft also works perfectly as a hands-on ocean biome project.
Egg Carton Turtles
Cut up egg cartons to make little turtle shells and paint them in various shades of green. This eco-friendly project is a perfect green craft for toddlers, and the kids love pretending their turtles are swimming in the ocean.
Cupcake Liner Jellyfish
Use cupcake liners to create these adorable jellyfish with streamers for tentacles. My own kiddos adore hanging these from the ceiling and watching them dance in the breeze. This is one of our favorite under the sea craft ideas for preschoolers!
Pasta Shell Sea Creatures
Dye pasta shells in ocean colors and use them to craft sea creatures. It’s a wonderful sensory activity that brings a tactile element to learning about the ocean. If you have leftover shells, they are also perfect for making adorable snail crafts with preschoolers.
Tissue Paper Ocean Scene
Create a colorful ocean scene using tissue paper and glue. Watching the toddlers layer and collage the pieces into waves and sea creatures is a delightful sight. If you have leftover supplies, you can also use them to create beautiful gift baskets with tissue paper.
Coffee Filter Fish
Use coffee filters to create beautiful, colorful fish with markers and water. The way the colors blend and spread is mesmerizing and fun for the little ones. If you enjoy this project, explore more fun coffee filter crafts to try at home.
Bubble Wrap Fish Prints
Use bubble wrap to create scales on fish cutouts with paint. The kids love popping the bubbles and seeing the fun textures they create on their fish. These textured fish make perfect additions to your DIY under the sea decorations.
Wax Resist Ocean Scene
Draw ocean scenes with white crayons and paint over with watercolors for a magical reveal. This technique always amazes the kids when the hidden drawings appear.
Foam Cup Octopus
Turn foam cups upside down to create octopuses with pipe cleaner tentacles. These little guys are always a huge hit, and the kids love making them dance. If you have leftover supplies, there are plenty of other creative pipe cleaner crafts you can try at home.
Watercolor Seahorses
Paint seahorses with watercolors on thick paper for a dreamy, under-the-sea effect. The kids enjoy experimenting with blending colors and creating unique designs. This is just one of many fun paper crafts for kids you can try at home.
Paper Plate Fish
Transform simple paper plates into vibrant fish with some paint and construction paper. I love watching toddlers’ eyes light up when they see their fish come to life with googly eyes and colorful scales! If your kids enjoy layering the scales, try exploring other construction paper collage ideas.
Sandpaper Starfish
Cut sandpaper into starfish shapes and let the kids paint and decorate them. The texture is a fun surprise and adds a realistic touch to their creations.
DIY Underwater Binoculars
Craft binoculars from toilet paper rolls and let the kids explore their ocean-themed surroundings. This imaginative play activity is always a winner with my little explorers. To complete their explorer outfits, try making some fun kindergarten paper vests.
Starfish Salt Dough
Mix up some salt dough and shape them into starfish before decorating with paint and glitter. This craft is not only fun but also helps develop those fine motor skills. If you want to join in on the crafting, explore more salt dough ideas for adults.
Seaweed Streamers
Create long seaweed from green streamers to decorate your classroom or play area. It’s a simple way to transform any space into an underwater wonderland.
Crab Handprint Art
Turn little handprints into cheerful crabs with some red paint and a few googly eyes. This one always brings giggles, and the results are perfect keepsakes.

