The Easiest Oobleck Recipe (2024)

Author: Beth

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Looking for a quick and simple recipe to make oobleck? Our no-fuss, easy oobleck recipe is straightforward and quick to whip up with items that I guarantee you already have in your kitchen. If you have been searching for new ways to keep your kids entertained, engaged, and interested in sensory play, look no further than oobleck! This crazy cool sensory material is the ultimate hands-on way to engage in messy play – our favorite! Keep reading to learn how to make our easy oobleck recipe, and check out some of our favorite ways to play with it!

RELATED: Sensory play offers so many learning opportunities for toddlers! One of our favorite messy ways to play is with shaving cream – don’t miss these shaving cream sensory activities here!

The Easiest Oobleck Recipe (2)

Table of Contents:

  1. What is oobleck?
  2. Our favorite easy oobleck recipe
  3. Sensory play supplies
  4. The best ways to play with oobleck
  5. How do you store oobleck?
  6. How do you clean up oobleck?
  7. Embrace messy play with oobleck
  8. Empower your child with skills to thrive.
  9. Oobleck FAQ
  10. Oobleck Recipe
  11. Oobleck Recipe
What is oobleck?

Oobleck is a sensory play substance that is both a solid and a liquid—also known to our science-based nerds as a non-Newtonian substance. Since sensory play is so important for growth and development, why not make it more fun and messy with oobleck?!

Playing with oobleck is a definite hands-on experience, so prep and prepare your mind, your toddler, and your space appropriately to embrace this at-home sensory activity fun! And if you’re hesitant to take on oobleck, never fear! Take your sensory bin outside for a fun summer sensory activity!

RELATED: Sensory play is a wonderful way for kids to develop fine motor skills and independent play! Not sure where to begin? Here’s how to introduce your toddler to sensory play.

Our favorite easy oobleck recipe

Making oobleck is so simple. For something that acts in such a complex way, oobleck is ironically one of the most accessible sensory play materials that you can make at home. I can bet you already have everything right in your kitchen.

The ONLY ingredients you need are:

  • Cornstarch
  • Water

Here’s how to make oobleck:

  1. Measure 1.5 cups of cornstarch into a bowl
  2. Add 1 cup of water
  3. Mix the cornstarch and water together with your hands
  4. Optional to add a bit of tempura paint for fun color play (avoid food coloring, it will stain!)
  5. Play!

PRO TIP: You will know your oobleck is ready once it feels smooth like honey, but can stretch and rip with your hands. If your mixture is not quite there, add more cornstarch or water until you get the right consistency!

Sensory play supplies

Getting a mat for your child to sit on as they play with sensory activities will change everyone’s life. It provides a visual boundary for the play and is easy to wipe down.

Days with Grey participates in the Amazon Services LLC Associates Program, an affiliate advertising program. As an Amazon Associate, I earn from qualifying purchases. Read more about these links in mydisclosure policy.

The Easiest Oobleck Recipe (3)

Sensory Mat

Yep, I “borrowed” this indoor cycling mat from my husband years ago, and it turned out to be one of the best things we did to encourage more sensory play!

The best ways to play with oobleck

There are so many fun ways to play with oobleck! So we’ve compiled our top 8 favorite ways to have some oobleck fun. Just like with most other sensory play activities, we recommend using a sensory bin to contain this messy play!

The Easiest Oobleck Recipe (4)

Edible Glowing Oobleck (Fun at Home with Kids)

Create more play and fun with this glow-in-the-dark edible oobleck. Add tonic water and a blacklight to make your oobleck glow!

The Easiest Oobleck Recipe (5)

Frozen Oobleck Sensory Play (Messy Little Monster)

Did you know that you can freeze oobleck?! Check out this easy and fun idea for how to freeze your oobleck and add to the oobleck sensory fun party!

The Easiest Oobleck Recipe (6)

Monster Oobleck (Happy Toddler Playtime)

Get into the Halloween spirit using oobleck, simple construction paper cutouts, and googly eyes to create cute little monsters in oobleck.

The Easiest Oobleck Recipe (7)

Muddy Oobleck Sensory Table With Animals (Fun with Mama)

Let your toddler’s imagination run free as they use their farm (or zoo) animals to splash and play in muddy-colored oobleck. This idea is sure to keep your kids playing independently for hours!

The Easiest Oobleck Recipe (8)

Oobleck Construction Site Sensory Play (NurtureStore)

Grab all things construction and dump them into a sensory bin filled with oobleck for a messy and creative day at the oobleck construction site.

The Easiest Oobleck Recipe (9)

Rainbow Oobleck Toddler Sensory Play (Toddler Approved)

Your toddler will love getting their hands into this beautiful rainbow oobleck sensory activity that introduces color mixing to all the oobleck fun!

The Easiest Oobleck Recipe (10)

Walking on Oobleck (Science Sparks)

I couldn’t believe this until we tried it, but yes, it’s true! You can walk on oobleck. Try this fun and different way of playing and experimenting with oobleck with your next batch!

The Easiest Oobleck Recipe (11)

Watermelon Oobleck (Gift of Curiosity)

Let your toddler make their own watermelon oobleck! All they will need is cornstarch (pre-measured) and a juicy watermelon. This is the cutest way to let your child experiment and engage in hands-on sensory play as they use real-life food to play and get messy.

How do you store oobleck?

You can store your oobleck in an airtight container.

When your child is ready to play with it again, add a little water to freshen it up. Oobleck can last up to 24 hours. After 24 hours, it can start to get yucky and even moldy, so make sure to dispose of it once you hit that 24-hour mark.

How do you clean up oobleck?

Cleanup is simple, but you must be mindful as you wash out your bind. I added a lot of water to dilute the cornstarch before disposing of it outside. Not diluting it may clog pipes. Use discretion before sending it down the drain.

Embrace messy play with oobleck

Whether or not you’ve heard of oobleck, now is the time to make it! Even if the messy idea of it all has made you hesitant to try, it’s time to set your fears aside and embrace this ooey gooey sensory play fun! Your kids (and your hot coffee) will thank you.

The Easiest Oobleck Recipe (12)
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Oobleck FAQ

What is oobleck?

Oobleck is both a solid and a liquid that can be easily be made right in your own kitchen. It is a non-Newtonian substance that offers wonderful sensory play opportunities for toddlers.

How do you make oobleck?

Making oobleck is so easy to make. Our go-to recipe is simply mixing together cornstarch and water until you get the right consistency. Sometimes we add a bit of tempura paint to brighten up the play!

What can you do with oobleck?

Oobleck is best used as a sensory play substance to inspire independent play, creativity, and motor skills.

Oobleck Recipe

The Easiest Oobleck Recipe (13)

Print

Oobleck Recipe

Whip up this no-fuss easy oobleck recipe to inspire sensory awareness and independent play for your toddlers.

Prep Time5 minutes mins

Active Time30 minutes mins

Total Time35 minutes mins

Keyword: messy sensory play, Sensory bin, sensory play

Materials

  • Cornstartch
  • Water
  • Paint (optional)

Instructions

  • Measure1.5 cups of cornstarch into a bowl

  • Add1 cup of water

  • Mixthe cornstarch and water together with your hands

  • Optionalto add a bit of tempura paint for fun color play. (avoid food coloring, it may stain!)

  • Play!

Notes

PRO TIP: You will know your oobleck is ready once it feels smooth like honey, but can stretch and rip with your hands. If your mixture is not quite there, add more cornstarch or water until you get the right consistency!

The recipe may vary depending on the size of your sensory bin. I doubled the recipe in my under-the-bed 40qt storage bin.

Insights, advice, suggestions, feedback and comments from experts

As an expert and enthusiast, I have personal experiences or beliefs, but I can provide you with information on the concepts mentioned in this article. Let's dive into each concept:

What is oobleck?

Oobleck is a sensory play substance that is both a solid and a liquid. It is also known as a non-Newtonian substance. Oobleck is often used in sensory play activities to engage children in hands-on and messy play experiences [[1]].

Easy Oobleck Recipe:

To make oobleck, you will need the following ingredients:

  • 1.5 cups of cornstarch
  • 1 cup of water

Here's how to make oobleck:

  1. Measure 1.5 cups of cornstarch into a bowl.
  2. Add 1 cup of water.
  3. Mix the cornstarch and water together with your hands.
  4. Optional: You can add a bit of tempura paint for fun color play, but avoid using food coloring as it may stain.
  5. Play with the oobleck!

Pro Tip: You will know your oobleck is ready once it feels smooth like honey but can stretch and rip with your hands. If the mixture is not quite there, you can add more cornstarch or water until you achieve the desired consistency [[1]].

Sensory Play Supplies:

Using a mat for your child to sit on during sensory activities can be beneficial. It provides a visual boundary for play and is easy to wipe down. You can consider using a sensory mat for this purpose [[2]].

The Best Ways to Play with Oobleck:

There are various fun ways to play with oobleck. Here are some ideas:

  1. Edible Glowing Oobleck: Add tonic water and a blacklight to make your oobleck glow in the dark.
  2. Frozen Oobleck Sensory Play: Freeze oobleck for a unique sensory experience.
  3. Monster Oobleck: Use construction paper cutouts and googly eyes to create cute little monsters in oobleck.
  4. Muddy Oobleck Sensory Table With Animals: Use farm or zoo animals to splash and play in muddy-colored oobleck.
  5. Oobleck Construction Site Sensory Play: Combine oobleck with construction-themed toys for a messy and creative playtime.
  6. Rainbow Oobleck Toddler Sensory Play: Create a rainbow-themed oobleck sensory activity to introduce color mixing.
  7. Walking on Oobleck: Explore the surprising property of oobleck that allows you to walk on it.
  8. Watermelon Oobleck: Use cornstarch and a juicy watermelon to create a watermelon-themed oobleck play experience [[3]].

How to Store Oobleck:

You can store oobleck in an airtight container. If your child wants to play with it again, you can add a little water to freshen it up. Oobleck can last up to 24 hours. After that, it may start to deteriorate and even develop mold, so it's best to dispose of it after 24 hours [[4]].

How to Clean Up Oobleck:

Cleaning up oobleck is relatively simple, but you should be mindful of how you dispose of it. Dilute the cornstarch mixture with water before disposing of it outside. Avoid sending undiluted oobleck down the drain, as it may clog the pipes. Use discretion when deciding how to dispose of it [[4]].

I hope this information helps you understand the concepts mentioned in the article. Let me know if there's anything else I can assist you with!

The Easiest Oobleck Recipe (2024)

FAQs

What is the ingredients for oobleck? ›

Materials
  • 1 cup of cornstarch.
  • 3/4 cup water.
  • Food coloring (optional)
  • Plastic bowl or bin.
Apr 15, 2019

How do you make solid liquid slime? ›

Mix 1 part water with 1.5 to 2 parts cornstarch. You may wish to start with one cup of water and one and a half cups of cornstarch, then work in more cornstarch if you want a more 'solid' oobleck. It will take about 10 minutes of mixing to get a nice hom*ogeneous oobleck.

How do you make homemade oobleck? ›

Easy oobleck recipe

Tip the cornflour into a bowl and slowly stir in the water. If the mixture seems too dry, add a few drops more water. If it's too liquid, add some more cornflour. The oobleck is ready when the mixture is thick and fluid, but starts to tear if stirred fast.

Does baby powder work for oobleck? ›

When it comes to oobleck, you can use them in the exact same way as cornstarch without any modifications. You can try baby powder, but it must have cornstarch in it. Read the ingredient label to make sure. You can also try potato starch, but don't use baking soda or flour.

What is a good substitute for cornstarch in oobleck? ›

Oobleck Recipes without Cornstarch
  • 1 cup arrowroot flour, tapioca flour, or potato starch (the ratio for potato starch should be 2 cups starch to 1 cup water)
  • ⅓ cup cold water (add 2-3 tablespoons if needed)
  • Liquid watercolors (optional)
  • A plastic tub or bowl.
Mar 27, 2023

What is a substitute for cornstarch in oobleck? ›

Arrowroot powder, extracted from the rhizomes of the arrowroot plant, can also be used as a cornstarch alternative. Mix arrowroot powder with water, gradually adjusting the proportions until you attain the consistency reminiscent of traditional Oobleck.

What happens when you add baking soda to oobleck? ›

Start adding the cornstarch to it a bit at a time. Follow all of the instructions for the regular oobleck until you have a good consistency. Now sprinkle 1 tablespoons of baking soda on top of your oobleck and mix it in, within around 30 seconds your oobleck should start to fizz and bubble.

What does glue and cornstarch make? ›

You'll just need white school glue and cornstarch for fluffy volcano slime. Here's how to make it: Pour 1/4 cup white school glue and a 1/2 cup of cornstarch in a bowl. Add 3 drops of food coloring (optional).

How do you make water slime with 2 ingredients? ›

The recipe for it is. one cup of water with 2 tablespoons of borax powder. The activator being strong is a very important step, and a regular activator will not work. Once your slime is activated and not sticky to you, it's gonna be foggy.

What is the slime that hardens when you hit it? ›

Oobleck doesn't quite follow the rules, this suspension only behaves as a fluid some of the time. For this reason oobleck is known as a non-Newtonian Fluid. If you apply a force to it by smacking or squeezing it this fluid will become a solid.

What is the slime that gets hard when you touch it? ›

Oobleck is a non-Newtonian fluid; it has properties of both liquids and solids. You can slowly dip your hand into it like a liquid, but if you squeeze the oobleck or punch it, it will feel solid.

Can u eat oobleck? ›

Luckily, the gooey substance is not toxic, but it probably won't taste good since it's just cornstarch and water. As one individual pointed out on Yahoo Answers, while eating oobleck may not be poisonous, it could potentially give someone pains in their stomach if large quantities are ingested.

How do you make cornstarch? ›

Cheese cloth bag
  1. Soak dry corn kernels in water overnight.
  2. Drain and blend the kernels until smooth in a Vitamix, or strong blender.
  3. Pour the liquid in a cheese cloth bag, tie, and hang over a bowl overnight. ...
  4. Pour the clear liquid off and the cornstarch (is what will) remain in the bottom of the bowl.
Jul 16, 2023

Is oobleck a mixture or solution? ›

“Oobleck” is a mixture. Element: any substance that cannot be broken up into simpler substances by chemical means Compound: a substance formed when atoms of two or more elements join together Mixture: a material consisting of two or more substances that are not chemically bound to each Other and can be separated.

What causes oobleck to harden? ›

But this simple mixture shows how changes in pressure, instead of temperature, can change the properties of some materials. Applying pressure to the mixture increases its viscosity (thickness). A quick tap on the surface of Oobleck will make it feel hard, because it forces the cornstarch particles together.

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