The trend of playing with water slime is captivating kids everywhere thanks to its cool-to-the-touch, jiggly, stress-relieving texture. If parents are looking for a way to make water slime at home to unleash their child's creativity, Mykingdom will reveal four super-easy, safe formulas from very familiar ingredients!
What is water slime (Water Slime / Jiggly Slime)?
Water slime is a special version of traditional slime with a soft, liquidy, jelly-like texture. Although it can flow like water, when touched it still forms a flexible mass that stretches in a very satisfying way.
What makes many kids adore it is the cool-to-the-touch feel, the superb stretchiness that doesn’t leave it sticky. Each squeeze or light press also creates pleasant “pop pop” sounds, delivering a relaxing and fun experience.
Guide: 4 super-easy ways to make water slime at home
Here are four water slime methods, from simple versions to a super big and exciting slime, perfect for parents to try with kids right at home.
Safe water slime recipe with mouthwash and Baking Soda
This is one of the formulas many parents choose because the ingredients are easy to find, safe for the hands, and great for kids to DIY at home.
Ingredients:
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1 bottle of white glue or 1 bottle clear glue (transparent glue)
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Water
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Baking soda (sodium bicarbonate)
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Mouthwash solution (or contact lens soaking solution)
Steps:
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Pour glue into a bowl and mix with water in a 1:1 ratio. If you want the water slime to be softer and more runny, you can add a little more water.
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Dissolve a little baking soda in warm water in a separate cup.
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Pour the baking soda solution into the glue mixture and stir gently to combine evenly.
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Slowly drop the mouthwash into the bowl while stirring continuously. When the mixture begins to cling and form a mass that isn’t sticky to the hands, remove it and knead gently to make the slime smoother and softer.
Tip: After finishing, let the slime rest for about 10 to 15 minutes in a sealed container. The finished product will be stretchy, less sticky, and make a louder “pop pop” sound when played
How to make crystal-clear water slime using the cooling method
If your child loves slime blocks that are transparent with a cooling feel, this recipe is well worth trying.
Ingredients
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1/2 cup clear glue (about 120 ml)
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3.5 cups water
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Activator: Completely dissolve 2 tablespoons of Borax powder in 1 cup warm water (Note: Adult supervision is required when preparing this solution).
Steps
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Pour the clear glue into a large bowl, then add water and stir until the mixture is fully blended.
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Slowly pour the activator into the glue mixture while stirring continuously. The slime will gradually come together into a soft, flexible mass.
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Place the slime in a sealed container and refrigerate for about 3 hours to achieve a clearer and more watery-looking slime.
Tip: Don’t pour the activator too quickly, because the slime can easily harden or separate water. The chilling step will help the slime rebound better and stretch nicely during play.
How to make ultra-runny water slime with Guar Gum
If your child loves clear, soft, runny water slime like the ones on TikTok, the Guar Gum recipe will surely win them over. This thickening agent is commonly used in foods, so it’s fairly safe when used properly.
Ingredients
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1/2 teaspoon Guar Gum powder (easy to buy on online marketplaces).
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2 cups warm water.
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Activator: Mouthwash solution or diluted Borax solution.
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Food coloring (optional).
Steps
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Pour warm water into a bowl, then gradually sprinkle in the Guar Gum powder, whisking steadily to prevent clumping.
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Add food coloring if desired to make the slime more eye-catching
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Slowly drop the activator into the mixture and stir until the slime forms a soft, runny mass
Version: simple glue-free slime that’s soft and stretchy
Even without glue or milk-based glue, parents can still create a stretchy, fun-to-play-with slime block with just a few common kitchen ingredients
(Note: This recipe creates a putty/soft-clay-like texture rather than true water slime)
Ingredients
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1 tablespoon baking soda
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1/4 cup shampoo (about 60 ml thick shampoo)
Steps
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Pour 1/4 cup shampoo into a bowl. This will be the part that gives the slime its stretch.
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Add 1 tablespoon baking soda and stir well until the mixture is smooth
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If you accidentally make the mixture too runny, simply sprinkle in a pinch more baking soda
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After mixing, place the bowl in the freezer for about 15 to 30 minutes to firm up the slime before playing
Safety tips for safer water slime play
To let kids play happily while parents stay安心, don’t skip these small tips below
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Hand hygiene: Parents should remind kids to wash hands with soap before and after playing to reduce bacteria and protect the skin
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Proper storage: After playing, store in a sealed container or zip bag to keep elasticity and prevent drying out
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Always supervise an adult: With children under 3, parents should not let them play slime alone to avoid the risk of putting it in the mouth. Also, limit slime from sticking to hair or clothes as it’s quite hard to clean
Busy parents? Discover the safe slime kits at Mykingdom now
If you don’t have much time to prepare ingredients or worry about mismeasuring chemical ratios, parents can still give kids a safe water slime experience with official slime kits at Mykingdom.
Mykingdom's SLIMY Swiss-standard products meet international safety standards, with soft, silky slime that’s easy to clean and suitable for everyday play.
Instead of a messy prep, parents can grab two popular Slimy baking-themed toy sets at Mykingdom:
Macaron Cake Set in 3 Colors for Creative Play: Featuring three bright tones, soft pastel slime blocks help kids stretch and create in their own way.
Cute Cake Slime Kit: Kids can become little pastry chefs with lots of adorable decorating accessories and create shapes with their own hands
Explore and shop the colorful world of safe slime at Mykingdom to receive attractive offers here
Frequently asked questions about water slime
Is water slime toxic?
Water slime is safe if parents prioritize familiar ingredients or choose official slime kits from Mykingdom. For ingredients that require mixing, like Borax, parents should assist and supervise the child throughout the process.
How long does water slime last?
If stored properly in a sealed container and kept in a cool place, water slime can stay stretchy for 1 to 2 weeks. Before playing again, just knead it a few times and the slime will soften.
How to soften water slime when it hardens?
If the slime dries out or becomes hard after some time exposed to air, you can soak it in warm water for a few minutes and knead gently. Adding a little moisturizing lotion can also help soften the slime and improve its stretchiness.
Whether you make your own water slime at home or choose safe slime kits at Mykingdom, the best part is the moments your child gets to play, create, and relax every day.
Learn more
6 Ways to Make Slime Without Glue That Are 100% Successful and Easy at Home
Top 10 Safe Slime Toy Sets for Kids to Play All Day Without Getting Bored
