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Egg Shaped Sidewalk Chalk

Posted by  ·  March 12, 2007  ·  Last Updated: March 12, 2007

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!!

Leave a Comment


  1. E Cig San Antonio TX
    Sunday, June 23rd, 2013
    Greetings! I know this is somewhat off topic but I was wondering if you knew where I could locate a captcha plugin for my comment form? I'm using the same blog platform as yours and I'm having difficulty finding one? Thanks a lot!
  2. AidanandDylanMommy
    Friday, April 2nd, 2010
    Just made these with my 7 year old tonight...he asked if we could do it every Easter because it was so much fun! HUGE hit! Thanks!!!
  3. Wednesday, March 17th, 2010
    I love this idea. Thanks so much for the tutorial. I hope you don't mind but I've featured you on my blog here:


    I hope you’ll stop by. You can get my new featured button on the top left hand side of my blog. Cheers, Jenn
  4. Friday, April 10th, 2009
    A great project! Thank you for sharing! I quick blogged about your fun project today!

    Happy Easter and sidewalk decorating!
  5. Friday, March 27th, 2009
    I love it! I am so glad I went digging in your archives! Your 2007 Easter posts are my favorite!!
  6. Wednesday, March 19th, 2008
    I wonder if you can put small toys in them before they dry so that the kids discover a treasure when their chalks is used up.
  7. Tuesday, March 4th, 2008
    Great idea! Thanks!
  8. Aunt LoLo
    Monday, March 3rd, 2008
    Love the idea...but I think your daughter TOTALLY trumps the eggs! What a cutie!
  9. Saturday, March 1st, 2008
    this rocks! thank you!
  10. Kate
    Wednesday, April 11th, 2007
    Hi, I tried this and my eggs are still wet, two days later. Anyone know why this would happen?
  11. alisa
    Saturday, March 31st, 2007
    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?
  12. Wednesday, March 28th, 2007
    That looks like fun! Happy to have found you.
  13. Heather
    Tuesday, March 27th, 2007
    Thanks so much for posting this! I've given this a go today preparatory to trying it with my Brownie troop tomorrow. You can see the preliminary results here: http://tvini.livejournal.com/252690.html This should be fun! Thanks again for a great idea!
  14. Dora-Faye Hendricks
    Saturday, March 24th, 2007
    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!!
  15. Kristen
    Saturday, March 24th, 2007
    This is such a great idea. I've never thought of making sidewalk chalk. Brilliant!
  16. Wednesday, March 21st, 2007
    Congratulations, this post has been nominated for a Hot Stuff Award at GNMParents (www.gnmparents.com).

    Voting closes Friday.

    Good Luck
  17. Julie
    Thursday, March 15th, 2007
    Sooo cute. I miss her. I love the idea - you're such a good mommy.
  18. Wednesday, March 14th, 2007
    great idea! thanks so much for posting the recipe!!!
  19. Tuesday, March 13th, 2007
    Great idea and even greater smile!
  20. Arem
    Tuesday, March 13th, 2007
    Wow. That's a great idea. Might have to try it out!

  21. Tuesday, March 13th, 2007
    What a sweet smile!
  22. Monday, March 12th, 2007
    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!
  23. Monday, March 12th, 2007
    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