Summer is here! This summer, we’re all about the beach, sand, sun, and fun! We don’t have a beach close to us (it’s about 8 hours away), but we can bring the beach to us with this fun recipe for sand slime. It’s one of our favorite ocean science experiments!
This sand slime has almost the exact same texture as wet sand that you find on the beach in the morning. It’s perfect for sensory play thanks to it’s stretchy texture that also still has the rough feeling of sand.
Kids will love playing with this new twist on our favorite slime recipes. You won’t believe how easy it is to learn how to make sand slime! Go on a beach trip in your own house!
This project makes a fun summer STEM activity.
How to Make Sand Slime for Beginners
Sand Slime Science
Slime is made when boron mixes with the polymer chains in the glue, creating strong, but flexible bonds between the molecules. There are so many fun tweaks you can make to a basic slime recipe, like my kid’s favorite, fluffy slime!
Since this slime does contain borax, if you have a sensitivity to it, you may want to try our baking soda slime instead.
If you’re curious about how slime is made, it’s due to the chemical properties of the glue mixing with the properties of the laundry starch. Laundry starch contains a bit of borax, when mixed with glue, creates long polymer molecule chains. This is the same process that happens when flexible plastic is made, just in a slightly different format.
How to Fix Ruined Slime
If you don’t want to waste a lot of ingredients, try mixing up a small batch first to make sure you won’t have to tweak it before you make the larger version. We always stock up on gallon sizes of glue and the large laundry starch just in case something goes wrong (but it almost always goes smoothly).
How to Make Sand Slime
Follow these directions and you’ll have the best sand slime recipe ever!
It doesn’t take much to make this super-fun sand slime recipe. Kids will love this fun, summer take on laundry starch slime.
What you’ll need to make sand slime:
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Elmer’s Liquid School Glue, Premium Clear, Washable, 1 Gallon, 1 Count – Great For Making SlimeFood Coloring Liqua-Gel – 6 Color Rainbow Kit in .75 fl. oz. (20ml) BottlesPurex Sta-Flo Liquid Starch, 64 OunceOriginal Stationery Arts and Crafts Glitter Shake Jars, Extra Fine, 24 Multi color Set
If you pick up sand from your yard or the beach, rinse it out before adding it to the slime. We put our sand in a colander and rinsed it with cold water for about two minutes. If you’re using craft sand, you can skip this step.
Add 5 ounces of clear glue, 1/2 a cup of sand, and 1/2 a cup of water to a container and mix well.
Add 1/2 a cup of laundry starch to the sand mixture and stir.
Because of the sand, this slime sets up faster than others. But you’ll still want to stir it as much as possible to mix up the sand and make sure the starch reacts with all the glue.