DIY Under-the-Sea Snow Globe for Kids

Confession: I have never successfully kept a fish alive. Not one. But I have successfully made an ocean in a jar, and honestly it scratches the same itch — all the pretty, none of the heartbreak. This under-the-sea snow globe is a clear jar filled with blue water, glitter, and little ocean creatures, and shaking it is the most satisfying thing you'll do all week.

My kids named every single figurine in ours. The turtle is named Mr. Wiggles. The fish is named Fish. Originality varies in this house. It sits on the bookshelf now and they shake it every time they walk past, which is approximately forty times a day.

Why You'll Love Making These

It's the perfect rainy-day craft: cheap, contained (the mess stays in the jar — I cannot stress how much I love that), and the finished product lasts for years. No batteries, no charging, no pieces that mysteriously vanish. It's also sneaky-educational — ocean animals, a little water science, and the fine-motor work of placing tiny figurines just right.

Also, it makes a genuinely good gift. Grandma got one for her birthday and she called it "the most precious thing." My daughter has never looked prouder.

Materials You'll Need

• A clear glass jar with a lid (mason jars are perfect)
• Distilled water
• Glycerin, a few drops (optional — it makes the glitter fall slowly and dreamily)
• Small ocean-themed figurines — fish, sea turtles, mermaids, whatever the dollar store has
• Glitter in blue, silver, or white
• Waterproof glue
• Blue food coloring, a few drops (optional, for tinted ocean water)
• A funnel (optional, but very helpful)
• Sand or small pebbles (optional, for the ocean floor)

<img src="https://thediynook.com/wp-content/uploads/2026/09/pin-v1-36.webp" alt="Under the Sea Snow Globe" />

Step-by-Step Directions

1. Clean the jar and dry it completely. Any residue makes the water cloudy, and we want crystal-clear ocean.
2. Glue your ocean figurines to the inside of the lid with waterproof glue. This is the scene-setting step — my kids arranged and rearranged theirs for a solid fifteen minutes. Let the glue dry completely.
3. Fill the jar with distilled water, leaving a little space at the top. A funnel makes this much easier.
4. Add a few drops of glycerin to the water. This is the secret ingredient — it thickens the water just enough that the glitter drifts down slowly instead of plopping straight to the bottom.
5. If you want ocean-blue water, add a few drops of blue food coloring and stir gently.
6. Sprinkle in the glitter — blue, silver, white, whatever shimmers. This is the part where kids get very generous, so pour, don't dump.
7. Carefully screw the lid (with the figurines) onto the jar. Make sure it's tight — this is a water-holding device now.
8. Flip it over, give it a gentle shake, and watch your underwater scene come to life.

The Learning Behind This Craft

Here's what's secretly happening: the glycerin thickens the water, which slows how fast the glitter sinks — that's viscosity, the same reason honey pours slower than water. My kids don't care about the word, but they definitely notice that the glitter "falls like snow," and that's the concept landing.

Placing the figurines and planning the scene is also spatial thinking and storytelling — they build a little underwater world and then narrate what's happening in it. Mr. Wiggles has a whole backstory now. I did not ask for this, but here we are.

Tips If Things Go Sideways

Water looks cloudy? You probably didn't clean the jar well enough, or you used tap water. Distilled water is the fix — it's worth the dollar.

Leaking? Tighten the lid harder, and consider running a bead of waterproof glue or a strip of waterproof tape around the rim. A leaking snow globe is a sad, soggy situation.

Glitter sinking too fast? Add a few more drops of glycerin (or clear corn syrup in a pinch). A little goes a long way.

Figurines floating loose? The glue didn't fully dry before you filled the jar. Fish them out with tongs, re-glue, and wait the full drying time this time. Ask me how I know.

Fun Variations to Try

• Add sand or tiny pebbles at the bottom for a real ocean floor.
• Match the glitter to your room decor — teal and silver for a calm look, rainbow glitter for chaos.
• Make a themed collection: ocean, winter, forest — a row of them looks adorable on a shelf.
• Tuck in a tiny photo or memento for a keepsake version.
• Try different figurines for holidays — tiny reindeer for a winter globe, bunnies for spring.

FAQs

Can I use tap water instead of distilled?

You can, but distilled is much better — tap water can make the globe cloudy over time. Distilled keeps it clear for years.

I don't have glycerin — what can I use instead?

Clear corn syrup works similarly. Or skip it entirely — the glitter will just settle faster, which some kids actually prefer because they get to shake it again sooner.

How do I stop it from leaking?

Tight lid, plus a bead of waterproof glue or tape around the rim for insurance. And don't let toddlers use it as a drum. (Experience.)

How long will it last?

With distilled water and a good seal, years. Ours is going strong and gets shaken approximately forty times daily.

What ages is this good for?

Toddlers can shake it and stare in wonder; preschoolers and up can help build it. The glue-gun-free version works for all ages with supervision on the small parts.