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How To Make Putty With Baking Soda and Cornstarch

Updated on February 26, 2015

What to do

This is one of the many types of putty that my mom used to make for my sister and I.

(an adult should make this recipe as it does require cooking)

1 Cups Baking Soda

1/2 Cup Cornstarch

3/4 Cup Cold Water

Food Coloring (If Desired)

In a medium saucepan stir dry ingredients together. Gradually add all of the water and stir until smooth. If desired you may add a few drops of food coloring. Then cook it on the stove over medium heat, stirring constantly. It will begin to thicken after coming to a boil. First it will become lumpy and then will form into a thick mass that should keep its shape. Remove from heat and turn mass onto a plate; cover with a damp cloth until cool enough to handle. Place on a surface that is lightly dusted with cornstarch. Knead until smooth and pliable. Store in a closed plastic container or plastic bag. This recipe makes 3/4 Pounds of Putty.

Now its time to play with the putty. You can also cut out shapes with a cookie cutter. Leave it out in the air to harden. Then if you like you can paint and decorate your creations.

Have Fun!


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    • woodsywild11 profile image

      woodsywild11 7 years ago from East Tennessee

      I made some of this stuff and it's really neat. They have an episode of this on Mythbusters too. Jaime and Adam swim in a big vat of it.

    • profile image

      kadence 7 years ago

      hey girl i is so gald you made dis

    • stars439 profile image

      stars439 7 years ago from Louisiana, The Magnolia and Pelican State.

      Thank you for sharing your idea. God Bless You

    • Mentalist acer profile image

      Mentalist acer 7 years ago from A Voice in your Mind!

      A very interesting Hub!