Oobleck is a non-Newtonian fluid that can be both a solid and a liquid. Popularized by Dr. Seuss, it will provide hours of endless sensory activity for the kids.
Age Group: Kids Crafts
Project Type: Crafts
1.5 to 2cupscorn starch
a fewdropsfood coloring
Add one cup of water to your plastic bowl.
Measure in approximately 1 and 1/2 cups of corn starch into the water.
Using plastic spoon start stirring supplies together. At some point it will get difficult to stir and this means you'll need to start picking it up with your hands.
Before you start mixing with your hands add couple drops of food coloring into the mixture and stir.
Now start mixing with your hands until all the corn starch is mixed in thoroughly. If the mixture is too slimy and runny add more cornstarch and if it is too dry add more water. Oobleck is pretty forgiving and it is easy to get to the right consistency.
Start molding the Oobleck into your hands. Notice how it will be runny and gloppy one minute and the next it feels like moldable dough the next. It is quite the sensory experience!
Expert Tips & FAQs
It’s best to use bowls and mixing supplies that you will throw away or save just for slime projects.
Oobleck that appears in the Dr. Seuss book is green, but you can colors your any color you want with your fave food color
If working with large groups of kids, be sure to buy multiple boxes/tubs of cornstarch. A lot of cornstarch is used for this project.
Oobleck can last for a long time when sealed in an airtight plastic container.
This project can get messy very quickly, so have the kids wear play clothes or have fun outside with this substance
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