Marine Life Sensory Bin- A Bubbly Small World!

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Make a fun invitation to play that will have your children exploring marine life and scientific reactions! With sea shells and sea life this sensory bin makes a great play prompt for ocean themed play and learning activities.

Marine Life Sensory Bin- A Bubbly Small World!

Full of fascinating, amazing, and often adorable creatures – oceans are full of wonder for children. An ocean is a wonderful setting for small world imaginative play!

For this sensory bin I wanted to be able to reuse some of our older sensory materials that hadn’t been touched in a while. For this one I used our sensory snow which had dried out to the point that it was nothing more than baking soda…it made a perfect sandy beach!

Materials Needs for a Fizzing Marine Life Sensory Bin:

Sea Life Sensory Bin Building the Beach

I promise that this activity is SUPER easy and will keep kiddos entertained. I was able to set up this entire activity in less that five minutes. I simply mixed two containers of vinegar (one blue, one green), poured baking soda into half of the plastic containers, added the shells and dumped in the Ocean TOOBS.

One of the things that I love about the Safari LTD. TOOBS is that they have natural groupings that lend themselves to both cohesive small world play and to learning about the different animal groups.

Marine Life Sensory Bin - A Bubbly Small World

To get play started I set out the scoops and placed two bowls of colored vinegar in front of the kids. They didn’t hesitate for one second to start scooping the water and dumping – because what is an ocean without water?! You should have heard the squeals of excitement as they discovered that their “water” made bubbles!

Sea Life Sensory Bin - Exploring Colors and Scientific Reactions

They had a blast watching the baking soda react to the vinegar while exploring mixing colors. They even did a brilliant job in taking turns pouring in more as the bubbles would die down!

Marine Life Sensory Bin - A Bubble Explosion!

Once the bubbles had consumed the entire small world it was time to add in utensils! Scooping, pouring, and digging the kids actively went hunting to save the sea life. They even took turns play hide-n-seek with various marine creatures.

Sea Life Sensory Bin - Cleaning off the Animals

As the bubbles died down one of the kiddos observed that the sea creatures had “the ickies”. We had talked previously in the week about oil spills and how that can harm marine life. Pulling out some play tooth brushes the kids took turns scrubbing down and cleaning their marine friends.

Marine Life Sensory Bin Goop

They explored the thick goopy textures of the wet baking soda.

Sea Life Sensory Bin Scooping Goop

Filled it in shells and watched how it molded to the shapes around it.

Marine Life Sensory Bin Making Trails

And explored it’s ability to make paths and different depths.

We had so much fun with this small world! The kids played with it for hours!!

More Marine Life Activities!


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