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Easy DIY Ocean Slime Recipe

Make this super fun ocean slime recipe with your kids for one of your ocean activities! It is an easy slime recipe that will provide endless play for your toddlers.

We all know how important sensory play is for early childhood development, plus it’s incredible fun for little ones.

One of the fun sensory play we started doing more in our house is making slime!

We made this fun ocean slime since we have been missing the beach and want to go soon when the weather gets warmer.

So, here is how to make blue slime for some ocean themed slime fun!

front view of ocean slime

Benefits of Playing with Slime

Playing with homemade slime can offer several benefits for toddlers:

  • Sensory Exploration: Slime provides a unique sensory experience through its texture, allowing toddlers to explore different sensations such as squishiness, stretchiness, and gooeyness. This sensory play can help in the development of their tactile senses.
  • Fine Motor Skills: Manipulating slime involves pinching, stretching, and squeezing, which can help toddlers enhance their fine motor skills. These actions strengthen the muscles in their hands and fingers, promoting better control and coordination.
  • Creativity and Imagination: Slime play encourages imaginative play as toddlers can mold, shape, and create various forms with the slime. It sparks creativity and allows them to express themselves through open-ended play.

    I love seeing how my kids interact and create something, even with a themed slime recipe like this ocean one!
  • Calming and Relaxing: The tactile sensation of playing with slime can have a calming effect on toddlers, helping to reduce stress and anxiety. It provides a soothing sensory experience that can help regulate emotions and promote relaxation.

    It is one of the best calming sensory activities!
  • Science Exploration: Introducing toddlers to slime can also be an opportunity to explore basic scientific concepts such as viscosity, elasticity, and non-Newtonian fluids in a fun and hands-on way. They can observe how the slime behaves and learn about cause and effect.

    This is more for older toddlers as you can help them make the non toxic slime recipe together!
  • Social Interaction: Playing with slime can be a social activity, especially when done with peers or caregivers. It encourages sharing, cooperation, and communication as toddlers engage in collaborative play, exchange ideas, and interact with others.

    My kids do indeed play together better with sensory activities.
  • Messy Play Experience: While it may seem messy, allowing toddlers to play with this summer slime in a controlled environment can teach them about boundaries and consequences.

    It offers an opportunity to learn about cleanliness and tidying up after play, fostering responsibility. It did take a lot of time for my younger toddlers to learn about keeping it in a certain area in our house, but now they do a wonderful job, and I don’t have to worry so much!

Overall, playing with blue glitter slime can be a fun and beneficial activity for toddlers, promoting their sensory, motor, cognitive, and social development in an enjoyable way.

ocean slime recipe pin image

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DIY Ocean Slime Recipe

Here is my simple ocean slime recipe with borax:


ingredients for diy ocean slime


Place 1 cup of water in a glass measuring cup with ½ tsp of borax. Microwave for 30-45 seconds and stir until borax is dissolved. 

In a large bowl add 1 bottle of clear glue. Add 4 drops of food coloring. Stir until food coloring is incorporated. 

adding in the blue dye

Add 1 tsp of borax water at a time and stir. Continue to add borax water 1 tsp at a time until the mixture is no longer sticky. 

slime is now sticky

Add glitter and fold it into the slime. 

adding the glitter into the slime

Store in a plastic container with a tight-fitting lid or Ziploc bag. 


  • You can add as much or as little food coloring as you want.
  • I used about 15 teaspoons of water/borax mixture to get this consistency.
  • This recipe will make about 1 cup of ocean slime.
  • Add some ocean animals to further help your child’s imagination!
ocean blue slime stretched out

Tips for Enhancing the Experience

  1. Encourage Exploration: Encourage toddlers to dive deep into the sensory experience by exploring the texture and colors of the ocean slime. Let them squeeze it, stretch it, and squish it between their fingers, fostering sensory exploration and discovery.
  2. Ignite Imagination: Transform the slime into a stage for imaginative play by incorporating storytelling and role-playing. Encourage toddlers to create their own underwater world, complete with mermaids, pirates, and friendly sea creatures. The only limit is their imagination!
  3. Educational Opportunities: Use the ocean slime as a springboard for learning about marine life and the ocean ecosystem. Introduce toddlers to different sea creatures, teach them about the importance of ocean conservation, and engage them in discussions about the wonders of the deep blue sea. This would be great for a homeschool lesson for toddlers!

Other Fun Ocean Sensory Play for Toddlers

Here are some other fun ocean sensory play ideas for toddlers:

  1. Water Table Play: Set up a water table outdoors or use a large plastic tub indoors and fill it with water. Add in some toy boats, rubber ducks, sea animal figurines, and colored water to create a mini ocean world. Toddlers can splash around, explore floating and sinking objects, and engage in imaginative play.
  2. Ocean Sensory Bin: Create an ocean-themed sensory bin using a shallow container or tray. Fill it with materials like blue dyed rice or water beads to represent the ocean. Add in seashells, smooth stones, sea glass, and plastic sea creatures for toddlers to touch, sort, and explore. You can also hide small treasures like coins or gems for them to discover.
  3. Seashell Exploration: Collect a variety of seashells from the beach or purchase them from a craft store. Spread them out on a table or tray and let toddlers examine them closely. Encourage them to touch and feel the different textures, sizes, and shapes of the shells. You can also provide magnifying glasses for a closer look.
  4. Ocean Playdough: Make blue or teal-colored playdough to represent the ocean. Set out seashells, small sea creature toys, and mini plastic beach props like buckets and shovels. Toddlers can use their imagination to sculpt underwater scenes, build sandcastles, and create their own ocean adventures.
  5. Ocean Sensory Bottles: Fill clear plastic bottles with water and add blue food coloring to create the illusion of seawater. Drop in small sea creature toys, glitter, sequins, and beads to mimic the underwater environment. Seal the bottles tightly and let toddlers shake, roll, and observe the contents inside.
  6. Frozen Ocean Sensory Play: Freeze small plastic sea creatures, shells, and blue-colored water in ice cube trays or larger containers. Once frozen, release the ice blocks into a sensory bin or large container filled with warm water. Toddlers can use tools like spoons, spray bottles, and pipettes to melt the ice and free the sea creatures. Ice sensory play is perfect in the summer!
  7. Ocean Sound Exploration: Create a calming ocean ambiance by playing recordings of ocean waves, seagull calls, and underwater sounds. Set up a cozy corner with pillows, blankets, and soft toys where toddlers can relax and listen to the soothing sounds of the ocean.

DIY Ocean Slime Wrap-Up

Now you know how to make ocean slime! This is a basic slime recipe you can use over and over again with different themes for your kids to enjoy!

So, gather your ingredients, prepare for an underwater expedition, and let the ocean slime adventure begin!

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