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  • Hi, I'm Vicky, the founder and content creator at Mess For Less. If you are looking for family-friendly recipes, recipes that kids can make, and play and learning activities for kids, you will find them at Mess For Less. I invite you to learn more about me. Thanks for stopping by!

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    Home » Sensory Activities

    How to Make Rock Slime

    Published: Aug 13, 2018 · Modified: Jul 9, 2022 by Vicky · This post contains affiliate links.

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    What I love about making slime is that you are truly only limited by your imagination. There are so many items you can add to your slime to make it a whole new sensory experience. Have you ever thought about adding rocks to slime? The results are so much fun! Find out how to make rock slime that your kids will adore. For more fun rock activities check out Panning for Gold Activity.

    Kids enjoy simple experiments. The Spangler Science Club offers engaging hands-on science activities each month if you're ready for additional simple experiments. Sign up now!

    Learn how to make rock slime for kids. It is easier than you think and kids will delight in the texture.

    Please supervise your kids when making slime and have them wash their hands when they are done playing. This is not edible.

    How to Make Rock Slime

    toy truck on top of rock slime

    You will need:

    1 airtight container - I love these slime containers!
    1 five oz bottle of clear glue
    ½ cup water
    ½ teaspoon baking soda
    1 tablespoon contact solution
    Small Rocks
    Small bowl

    ingredients for how to make rock slime

    To make rock slime, start by pouring a 5 oz bottle of clear glue into a large bowl.

    pouring clear glue in a bowl

    Stir in ½ cup of water into the glue.

    pouring water into a bowl

    Now, add in ½ teaspoon baking soda and stir.

    adding baking soda to a bowl.

    Now it is time to add in the rocks. Kids will love pouring the rocks into the bowl.

    rocks and water in a bowl

    And finally, it is time for the magic to happen! When you add 1 tablespoon of contact solution to your mixture, the slime will instantly begin to form.

    rocks in a bowl of water

    Mix everything together. This mixture will be very sticky, so be patient. Mix the solution in the bowl until it starts to form.

    mixing rock slime

    Slime requires way more mixing and kneading that you might think. Keep kneading the slime until it is no longer sticky.

    stretchy rock slime

    If you want to add additional rocks at this point, go ahead! My girls are huge fans and collectors of rocks, so for them, the more rocks the better.

    clear slime with rocks in it

                

    With all these rocks, this slime is quite heavy. The weight from the rocks will cause the slime to cascade and stretch, but it is fun for molding into shapes too!

    how to make rock slime

    When your kids are done playing with the slime, you can store it in an air tight container like this one.

    rock slime

    I recommend playing with slime on a table or tray. Do not play with slime near carpet as it can very hard to get out if some falls on the rug.

    rock slime in a bowl

    A fun addition to this rock slime are small toy trucks like these. Kids can pretend like they are working on a construction site!

    rock slime and toy truck

    If you enjoyed learning how to make rock slime, check out these other easy slime recipes:

    Pom Pom Slime for Kids

    Slushie Slime Recipe

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    Reader Interactions

    Comments

    1. Rachel

      August 14, 2018 at 1:52 pm

      I am sure that some kids would love this, but it kind of geeks me out. I hope my kids don't catch on to this slime trend.

    2. Amber

      August 13, 2018 at 6:39 pm

      Well, this is an awesome idea. My 3 year old daughter is at the perfect age for activities like this and I know I have some construction trucks lying around from when my son was younger. This is going to be fun!

    3. Melissa Sanchez

      August 13, 2018 at 1:57 pm

      this is totally amazing and I am trying it with my son. as soon as I can gather all the materials, i love it!!

    4. Julie

      August 13, 2018 at 10:43 am

      My six year old would LOVE this! He's always asking for a project and this is just up his alley!

    5. susan

      August 13, 2018 at 9:30 am

      My nephew is going to LOVE this! What a fantastic idea and thanks for sharing it! pinned

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    Hi, I'm Vicky, the founder and content creator at Mess For Less. If you are looking for family-friendly recipes, recipes that kids can make, and play and learning activities for kids, you will find them at Mess For Less. I invite you to learn more about me. Thanks for stopping by!

    Easter Activities and Recipes

    • Stained Glass Easter Cookie Recipe
    • How to Make Spotted Easter Eggs
    • M&M Easter Cookies
    • Shaving Cream Easter Eggs

    Spring Activities

    • How to Make a Mother's Day Card
    • DIY Seed Starter for Kids
    • Flower Craft Idea
    • How to Make a Paper Butterfly - Easy Craft for Kids

    Popular Recipes

    • Crack Chicken Casserole
    • Overnight Egg Casserole
    • Toasted Italian Sandwich - Food Fun Friday
    • Chicken Broccoli Alfredo Bake

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