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.

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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!

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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!

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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!

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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.

The Easiest Oobleck Recipe (2024)

FAQs

How to make oobleck easy? ›

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.

How to make oobleck dr seuss? ›

Oobleck: the Dr. Seuss Science Experiment
  1. Step 1: Materials. All you need is corn starch and food coloring and the food coloring is optional. ...
  2. Step 2: Mix It Up! Start with the water in a bowl and start adding the corn starch to it. ...
  3. Step 3: Add Food Coloring. ...
  4. Step 4: Play With It!

Does oobleck go bad? ›

If you keep the oobleck for more than a day, it will start to go bad and will not be able to retain the properties that it has. In order to dispose of the oobleck, all you have to do is let it dry properly by keeping it aside overnight. Then you can smash the oobleck with a spoon and throw it away easily.

Is oobleck safe to eat? ›

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.

Is oobleck a type of slime? ›

“Oobleck” was the name given to a type of slime in a Dr. Seuss book that was capable of gumming up a whole kingdom. It normally behaves like a liquid or jelly, but if you squeeze it in your hand, it will seem like a solid.

Is oobleck considered slime? ›

Although many people call oobleck slime, oobleck is actually different from slime. Slime is made up of borax or sodium borate, which is a mineral and a salt of boric acid. You can find borate in liquid starch or contact solution. When mixed with glue, it creates a stretchy-like substance.

How to make o black? ›

Directions
  1. Help your child measure 3/4 cup of water in a plastic measuring cup.
  2. If you have food coloring, have your child add a couple of drops to the water.
  3. Help your child measure 1 cup of cornstarch. ...
  4. Slowly add the water and food coloring.
  5. Let your child mix the mixture.
Apr 15, 2019

Is oobleck safe for babies? ›

Oobleck is a completely mesmerizing material for kids to touch and play with. Since it's just cornstarch and water (plus any color you want to add), it's super easy and inexpensive to make. It's also taste safe and non toxic, making it a great sensory play material for babies and toddlers.

How to make oobleck at school? ›

In small groups, make a bowl of oobleck: a. Put 1 cup of cornstarch in a bowl and add 1-2 drops of food coloring (optional). b. Slowly add up to ¾ cup water while mixing, until all the cornstarch is wet.

How to make oobleck step by step? ›

Directions
  1. Help your child measure 3/4 cup of water in a plastic measuring cup.
  2. If you have food coloring, have your child add a couple of drops to the water.
  3. Help your child measure 1 cup of cornstarch. ...
  4. Slowly add the water and food coloring.
  5. Let your child mix the mixture.
Apr 15, 2019

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 substitute for cornstarch in oobleck? ›

Arrowroot Powder: 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.

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