How To Make DIY Ocean Sensory Bottles
Create these DIY Ocean Sensory Bottles: Ocean Waves, Mini Aquarium, and Under the Sea! A perfect sensory play activity for toddlers, preschoolers, and older kids.

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Nothing captures the magic of the ocean quite like a mesmerizing sensory bottle! If your little ones are fascinated by the sea, these DIY Ocean Sensory Bottles (or calm down bottles) are the perfect hands-on activity to keep them engaged and entertained.
These calming bottles are not only easy to make but also serve as a fantastic tool for relaxation, focus, and sensory exploration.
Whether you’re setting up an ocean-themed play area, looking for a travel-friendly beach activity, or just want a fun and simple DIY project, these sensory bottles are a must-try!
Why Ocean Sensory Bottles Are Awesome
Ocean Sensory Bottles are a fantastic way to bring the beauty of the sea right to your child’s hands! With their swirling glitter, floating sea creatures, and calming blue hues, these bottles invite kids to explore their senses in a peaceful and engaging way.
Plus, ocean sensory play is perfect for sparking curiosity and creativity. Your kids can shake, twist, and roll their bottles, watching how the glitter and objects move inside.
Ocean Sensory Bottles are the ultimate mess-free activity to keep little hands busy and happy. Whether it’s for quiet time, a fun craft, or an exciting addition to a beach day, these bottles bring the wonder of the ocean right to your child’s fingertips!
How to Make Ocean Sensory Bottles

What You’ll Need
Here’s what you’ll need to make three different types of ocean sensory bottles: Ocean Waves, Under the Sea, and Beach Treasures:
- Empty plastic bottles
- Water
- Food coloring or liquid watercolors
- Glitter (fine or chunky, in ocean colors) or ocean-themed sequins
- Small plastic sea creatures
- Clear glue (about 1/2 cup for the Under the Sea bottle)
- Baby Oil (for the Ocean Waves bottle)
- Small rocks or sand(for the Mini Aquarium bottle)
- Hot glue gun or Super glue to secure the lid.
Instructions

1. Ocean Waves Sensory Bottle
- Fill an empty plastic bottle half full with water.
- Add a few drops of blue food coloring or liquid watercolors.
- Fill to the top with baby oil, leaving about 1/2 inch space at the top so there is room to shake.
- Secure the lid with hot glue or super glue.
- Shake it up and watch the ocean waves tumble!

2. Mini Aquarium Sensory Bottle
- Add a layer of dry sand at the bottom of an empty plastic bottle.
- Drop in small pebbles or seashells, and small plastic sea creatures for a treasure-like effect.
- Fill the rest of the bottle with water, leaving about 1/2 inch space at the top so there is room to shake.
- Add a few drops of blue food coloring to tint the water slightly.
- Secure the lid with hot glue or super glue.
- Shake it up and watch the sand swirl while searching for hidden beach treasures!

3. Under the Sea Sensory Bottle
- Fill an empty plastic bottle halfway with water.
- Add 1/2 cup of clear glue.
- Add blue fine glitter and a few drops of blue food coloring or liquid watercolors.
- Add small plastic ocean creatures or ocean-themed sequins.
- Fill the bottle with water, leaving about 1/2 inch space at the top so there is room to shake.
- Secure the lid with hot glue or super glue.
- Shake and enjoy watching the glitter swirl like ocean waves!
You’ll Love These Ocean Sensory Bottles
You’ll love these fun and calming DIY Ocean Sensory Bottles! Whether you’re making them as a soothing sensory tool, an engaging craft, or an exciting ocean-themed activity for kids, they’re sure to bring a little beach magic into your home.
The best part? You can customize them however you like! Try using different colors and fillers for extra fun. So grab your supplies and start crafting. These bottles are too much fun to pass up!
Which one will you make first? Let me know in the comments below!
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