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How To Make Oobleck with Just 2 Ingredients! (Easy Oobleck Recipe)

If you’ve ever wanted to learn how to make oobleck at home, à la Bartholomew and the Oobleck by Dr. Seuss, this oobleck recipe tutorial is for you! Super inexpensive and a fun kitchen science experiment…

playing with an easy 2-ingredient oobleck recipe

How To Make Oobleck

Though our spring break isn’t until the end of March, my kids do have the day off school today for a teacher inservice day. Having learned my lesson after the overabundance of snow days we’ve had so far this year, I knew I needed to have a project ready that would engage them and maybe even teach them a thing or two.

So we decided to make oobleck! And yes, it was MESSY, but it was oh, SO much fun… Every one of my five kids, from my 6-year-old right up to my almost 12-year-old, wanted a chance to play with it.

For those of you on a budget, you’ll be thrilled that this oobleck recipe is super inexpensive. In fact, you probably have everything you need for a basic oobleck mixture sitting in your pantry already!

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oobleck ingredients and book

What Is Oobleck?

While most Dr. Seuss fans are probably familiar with oobleck, for those of you that aren’t, I’d encourage you to pick up a copy of Bartholomew and the Oobleck. As with so many of his books, this is a lighthearted, fun read, with a really great moral at the end.

To give a quick overview, there’s an old king who wants something new to fall from the sky, so he calls on his royal magicians. They create “oobleck“, a green substance that rains down. The result is a sticky, gooey, gloppy green mess that covers the entire kingdom — and its residents. Along the way readers realize that just maybe we should be careful what we wish for. Thankfully, the king’s young pageboy, Bartholomew, saves the day by urging the king to say some simple magic words.

If you’re going to show your kids how to make oobleck, picking up a copy of the book is an excellent complement to the project!

how do you make oobleck

Oobleck Ingredients & Equipment

You really only need two ingredients to make this oobleck recipe — cornstarch and water. If you want to add color, I recommend using tempera paint versus food coloring to prevent any staining.

As far as equipment, you’ll just need a large mixing bowl. No spoon necessary! And possibly an inexpensive plastic tablecloth to cover your workspace. Things are about to get a little sloppy…

making oobleck at home with just two ingredients

How Do You Make Oobleck?

Okay, I warned you this was going to get messy… Both you and your kids will probably end up covered in goo, but it’s the best kind of mess — one that’s loads of fun, yet easy to clean up and washes out of clothes without a trace.

How do you make oobleck? Well, you won’t be able to mix it easily with a spoon. You’ll have to get your hands in there and work with it until it’s the right consistency. But trust me on this, you’re going to have just as much fun as the kids!

teaching kids how to make oobleck and playing with it in a ceramic bowl

Easy Oobleck Recipe

The really cool thing about oobleck is that it’s neither a liquid nor a solid. It’s actually a suspension (known as a non-Newtonian Fluid) and will behave like either, depending on the amount of pressure you apply.

Squeeze it in the palm of your hand, and it will feel like a solid ball… But when you open your hand, it will flow over and between your fingers like a liquid. It’s really the most bizarre feeling — YOU’LL want to play with it for hours, too!

PIN IT NOW! CLICK HERE TO ADD THIS OOBLECK RECIPE TO YOUR CRAFTS FOR KIDS BOARD ON PINTEREST!

how to make oobleck 2-ingredient recipe

2-Ingredient Oobleck Recipe

Yield: 1 1/2 cups oobleck
Prep Time: 5 minutes
Total Time: 5 minutes

If you’ve ever wanted to learn how to make oobleck at home, à la Bartholomew and the Oobleck by Dr. Seuss, this oobleck recipe tutorial is for you! Super inexpensive and a fun kitchen science experiment...

Ingredients

Instructions

  1. While it will take a little experimentation to get the proper consistency, a good starting place is to mix 1 1/2 cups of cornstarch with 1 cup of water. I added 3 tablespoons of green tempera paint to color the suspension, but you can use more or less or leave it out altogether.
  2. Mix the ingredients using your hands, adding more cornstarch or water as necessary. I've been told that you need to use more cornstarch if you live at a high altitude. You’ll know you’ve got the right consistency when it feels similar to honey or molasses, yet “tears” when you drag your fingers across the surface.
  3. You can store the oobleck in a covered container to play with again. The cornstarch and water may separate, but you just simply need to work them back together.

Notes

I recommend covering your work/play area with an inexpensive plastic tablecloth to make cleanup easier!

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How much did you LOVE this recipe?

Please leave a comment below or share a photo on Instagram with the hashtag #unsophisticook!

glitter slime recipe without borax

4-Ingredient Rainbow Glitter Slime Recipe

If your kids love this oobleck recipe, they’ll also adore this easy glitter slime recipe. It’s easily created with just four simple ingredients and NO borax! Package it up in a plastic container for a great DIY gift idea that will provide hours of fun.

I’d love to see how your oobleck turns out… Tag me @Unsophisticook on Instagram or use the hashtag #Unsophisticook so I can check it out. Enjoy!

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Quincy

Saturday 20th of June 2020

Higher altitude requires higher concentration of corn starch

Tara Kuczykowski

Sunday 21st of June 2020

Thanks for the useful information! I will add it to the instructions to help others in this situation.

Leah

Sunday 28th of July 2019

My daughter is allergic to corn. Have you tried anything else other than cornstarch? Do you think the cornstarch substitute would work?

Tara Kuczykowski

Monday 29th of July 2019

Thanks for asking, Leah! I haven't tried them personally, but I did a quick search and turned up swapping the cornstarch for arrowroot powder or tapioca powder. If you give it a try, I'd love to hear your results. It would be very helpful for readers that are in the same situation.

Erin

Tuesday 28th of May 2019

Hello! I’m doing a roundup of the best science experiments for preschoolers to be published in June by the North Phoenix Mom’s blog. Can I have your permission to use your experiment? We would link to your website and give you full credit. I look forward to hearing from you!

Tara Kuczykowski

Tuesday 28th of May 2019

Thanks for asking, Erin! Yes, I'm fine with this with proper attribution, as you mentioned.

Suzy

Friday 1st of March 2019

The kids will go bananas for this!

Kara

Friday 1st of March 2019

My daughter loves playing with this stuff. I leave out the paint, and it's still fun. Truth be told, I don't mind getting my hands in it. :)

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