Science Experiments at Home: Make Soap Silly Putty

This science experiment comes together so quickly you will be playing with your putty in less than 5 minutes. The smooth texture of this putty satisfies any sensory-seeking scientist in your home. One of our 64 Easy Experiments for Kids Using Household Stuff, this simple experiment uses only dish soap and cornstarch.

Read on for a fun, quick experiment to break up your day.

You Will Need:

  • Cornstarch 
  • Dish soap 
  • Measuring spoons 
  • Mixing bowl 


Step 1: The Cornstarch

Scoop 2 tablespoons of cornstarch into a bowl. 

Step 2: The Dish Soap 

Add  1½ tablespoons of dish soap to the cornstarch.

Step 3: Mix it Up 

Start mixing the cornstarch and dish soap until it turns into a putty-like texture. 


If your mixture is too runny, simply add more cornstarch.  If your mixture is too dry, add more dish soap. 

The putty lasts for a few hours. 

Jack and the Beanstalk
Puppetworks Inc. - 12:30 PM Pick
Art Lab in the Park
Queens Museum - 1:00 PM Pick
Mommy Poppins' Back to School Fair 2020
Online - various times Pick
Monuments Now
Socrates Sculpture Park - 9:00 AM
Carnegie Diner Pumpkin Patch
Carnegie Diner - 9:00 AM
Neighborhood Guides
Activity Guides