Easy Homemade Chalk, DIY

We have recently fallen in love with Basic Elements: Plaster of Paris (sold at Wal-Mart)! There are SO many fun things you can do with Plaster of Paris by only adding water and sometimes a little paint! Plaster of Paris is an inexpensive craft supply that only costs around $6.00 for a large 8lb box, which is plenty for months and months of projects. (Note: These are all of my own thoughts and opinions; although sometimes we receive craft items for sampling, Plaster of Paris was not one of them. I was in no was compensated for sharing this.)

A few weeks ago, we made our own Easy Homemade Chalk with a few recyclable products we had around the house. Making chalk together was half the fun, however the best part was the end product! We couldn’t be happier with our homemade chalk and I love that it is the perfect size for Little Brother’s hands (18 months old) and improving his fine motor skills!


  • Plaster of Paris
  • Water
  • Washable Tempra Paint
  • Empty plastic water bottle
  • Empty Cardboard tube (toilet paper tube)
  • Tape

How to Make a Cardboard (toilet paper) Tube Chalk Mold:

1. Cut 4 (1 in.) slits into one end of the tube (top, bottom, right, left).

2. Fold the slits into the center to form a cone shape. Wrap tape around it to seal.

3. Fill the tube with plaster (as directed above.) Place in a cup to allow to set.

4. To Remove the Chalk: Tear the cardboard off and discard.

How to Make a Plastic Water Bottle Chalk Mold:

1. Poke a hole in the water bottle about 1 inch from the bottom. Cut around the bottle, detaching and disposing of the bottom part of the bottle. Keep the cap tightly on the bottle.

2. Rest the bottle upside down in a cup. Fill the bottle top with plaster (as directed below).

3. To Remove the Chalk: Cut a slit into the bottle and tear it to loosen. Gently shake the chalk loose and discard of the mold.

Easy Homemade Chalk Directions:

1. Mix up a batch of Plaster of Paris, following the directions on the box.

*My Recommendation: I found that the plaster turns out best if you first add the plaster powder first to a small bowl, then add in water to create a ‘pancake batter’ consistency. Once you have the desired consistency, if you are coloring your plaster, add the paint along with more water to recreate that same consistency along with your desired color.

2. Quickly pour your plaster into your mold, and level off the top.

3. Set aside to dry; and in direct sunlight to speed up the drying process.

4. Remove from mold after 24 hours and allow even more time to dry outside of the mold and again in direct sunlight if possible.


  1. Love the idea to use paper towel tubes as a mold! Thanks for your comment a while back. Email me with more info on your Saturday kids ideas contributions needs…

  2. I just found your blog. It’s adorable and I love this project. I can’t wait to try it.

  3. This is amazing! I had no idea you could make chalk like this! I host two link parties each week (on Tuesdays & Fridays). One is a free-for-all and the other (Gimme Five For Friday) has a new fun theme each week. This week is back to school and this chalk would be a great addition to the party. I hope you’ll come by if you have the time!


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