Just in time for Spring—-egg shaped chalk. 


These were so easy to make.  You will need:

  • Plaster of Paris
  • Tempera Paint
  • Petroleum Jelly
  • plastic Easter eggs
  • disposable cups
  • disposable spoons or wooden craft sticks
  • egg carton


Take petroleum jelly and liberally coat the insides of the eggs and then place in the egg carton.  Mix 1/2 cup Plaster of Paris with 1/4 cup water and stir well.  Mix in enough liquid tempera paint to get your desired color.  We added about a teaspoon or so.  You can also use powdered tempera paint (start with about 1 tablespoon and go from there). We mixed up a blue batch, poured it into the eggs then immediatley mixed up a pink batch.


Pour mixture into egg halves.  This amount makes about 1 1/2 eggs.  We used the 1/2 to make  two colored eggs. DO NOT pour extra plaster down your sink drain –I tell you this is a no no. Throw it in the trash!


Allow this mixture to set about 5 minutes—just until thick enough to put the egg halves together.  Once together, hold tightly and carefully  give egg a good shake and a firm tap on a hard surface  to allow plaster to form to the egg and the halves to come together.


Allow eggs to harden overnight.  We couldn’t wait (patience issues) and rushed ours  allowing only about 3 hours (this is overnight in child time isn’t it?) to dry.  To remove them from the plastic an adult must use a knife to work the halves apart. I would like to make a few of these to put back into plastic eggs once first removed and dry to hide on our egg hunt.  I think gray ones would make cute favors for a dinosaur party.


Chalk On!!

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  1. Hi, I tried this and my eggs are still wet, two days later. Anyone know why this would happen?

  2. This idea sounds so neat. We want to try it. I went to get the materials, though, and I see all of these warnings on the plaster of paris box like “caution, can cause burns” and also that the crystalline silica in the plaster of paris is carcinagenic. Is there some other kid friendly type out here I don’t know about and that I should be looking for?

  3. I love this!! What a good idea! And, the “receipe” is clear, colorful and easy to follow! Thanks for a good project I can do with my granddaughter!!

  4. Congratulations, this post has been nominated for a Hot Stuff Award at GNMParents (www.gnmparents.com).

    Voting closes Friday.

    Good Luck

  5. Man, she is a cutie. I know I said that last time, for the Dr. Seuss thing, but sheesh! She’s adorable! Lookit those cheeks!

  6. I made these before they are fun to do with the kids if you can keep them from opening the egg to soon. Messy!!! She looks like she is having fun. Very cute

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