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You can only purchase the 3 primary colors of tempera paint (red, yellow, and blue) and mix the powders together with the plaster and water to create so many beautiful colors. It makes a great science experiment too for the young ones!
By Marci from West Monroe, LA
By
09/29/2010
This a great tip, great science to be learned too, thanks for sharing, put it on Teachers pay teacher they pay too!
Below you can read previous posts and comments about this topic. The discussions on this page has been archived 1 time. Select a discussion and read the feedback here.
(Archived Sep 15, 2010)Homemade Sidewalk Chalk
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Mix the water, Plaster of Paris and powdered tempera paint. The more tempera paint you add, the deeper the color of the chalk will be. Then pour the mixture into you mold.
Toilet Paper Roll: A toilet paper roll works as a mold. Just seal one end with duct tape and pour the mixture into the mold and let it dry. When I use toilet paper rolls I like to let it dry for over 24 hours. You can line the toilet paper roll with wax paper so that the chalk will easily slide out.
Egg Cartons: Egg cartons are nice because you can do numerous different colors in one mold.
Dixie Cups: 5 ounce dixie cups also work well.
Film Cannisters: Just line with wax paper and the chalk will slide right now.
Note: Be sure to follow all safety precautions on the Plaster of Paris box. And, this makes a mess!
Feedback:
By Cheryl from Missouri
By Peg
By Pam
By loved1
Another thought, gently tap, tap, tap the poured molds to get the air bubbles out of. Do not hasten the drying process mechanically (like with hair dryer, microwave, etc). WHY do I say that? With my big projects I have done that, fine. With small ones it does not work. (07/07/2010)
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