Cornstarch and water

Got cornstarch? Got water? Then you’ve got Oobleck! Learn how to make this 2-ingredient slime recipe that your kids will love!

Pictured instructions and a video showing how to make and play with oobleck, a non-Newtonian fluid that flows like a liquid when moved slowly, but feels like a solid when you quickly push it.

Did you know you can make Oobleck with only two ingredients? Sometimes it's liquid, sometimes it's solid, but it's always fun to play with!

This stuff is know as “oobleck,” named after a sticky green goo in Dr. Seuss’ Bartholomew and the Oobleck. Scientists, on the other hand, refer to cornstarch and water as a “non-Newtonian fluid” — a material that appears thicker or thinner depending on how it is physically manipulated.

Messy cornstarch is a wonderful activity for a baby, a toddler and older kids who love messy play. It is a wonderful edible sensory experience.

Looking for a fun activity to do with the kids? Make this 2 ingredient clime recipe using cornstarch and water! It's fun, it's messy, and it's a fun science experiment too!

How to Make Oobleck

We made some Oobleck to celebrate Dr. Seuss's birthday. This stuff is amazing, and we were totally taken with this goo. Learn how to make Oobleck with us.

Here's how to make gooey Oobleck at home as an easy science project with the kids using just cornstarch and water. It's a fun activity for all ages!

Make cornstarch slime with three different kid approved recipes. From simple with only 2 ingredients to super stretchy creations of cornstarch slime!