Mermaid Slime Recipe for Kids

If you're looking for a fun, low-prep activity that’s packed with sparkle and sensory magic, this mermaid slime recipe is a must-try. It's everything sparkly, stretchy, and shimmery that kids love, and no seashells required. Ocean blue mermaid slime an easy sensory activity that’s low-prep, big fun, and perfect for ocean week, a mermaid-themed birthday party, or just a rainy day that needs a little sparkle.
With a swirl of green and blue food coloring and heaps of glitter (yes, heaps), this slime ends up looking like it came straight from Ariel’s treasure trove. ✨🧜♀️ Searching for more slime recipes? Check out all these slime recipes for kids.
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What You Need for Mermaid Slime
How to Make Mermaid Slime

Step 1: Gather your supplies
Gather all the supplies needed.

Step 2: Add warm water
Pour warm water into the bowl

Step 3: Add baking soda and glue
Add baking soda and stir until mixed. Add the clear glue to the baking soda mixture and stir.

Step 4: Color it
Mix in 1 drop of green food coloring and 3 drops of blue food coloring.

Step 5: Add the glitter
Pour in the glitter and stir until incorporated.

Step 6: Add the contact solution
Knead contact solution into the slime until it’s no longer sticky and pulls away from the sides of the bowl.

Step 7: Knead it together
You may need to knead to incorporate all the ingredients well.
All done!
Enjoy

We'd love to see yours! Snap a photo and share it in the comments.
Mermaid Slime Tips from a Mom Who’s Been There
🧜♀️ Go big on the glitter. Mermaid slime deserves to sparkle like crazy. 🌀 Want a swirl effect? Leave some of the coloring un-stirred and let the kids mix it in as they play. 👕 It’s washable . . . mostly. Use washable glitter if you’re worried about sparkle explosions. 🧴 Add a little more contact solution if it’s too sticky, but don’t go overboard, or it’ll get rubbery.
And just like that, you’ve got slime that looks like ocean magic.
Fun Ways to Play with Mermaid Slime
Fine Motor Workout: Set out kid-safe scissors or tongs and let them stretch and snip the slime (yes, it's weirdly satisfying!). Mermaid Treasure Hunt: Hide plastic gems, seashells, or mini ocean animals inside and let kids dig them out. Ocean Storytelling Time: Use the slime during story time as a magical ocean scene.
Sensory Bin Upgrade: Toss it into a tray with sand, seashells, and a few ocean toys for extra pretend play. This Mermaid Slime is pretty much everything sensory play should be: sparkly, squishy, easy to make, and borderline magical. And if you end up covered in glitter by the end? That just means you did it right.
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