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Create Craft Love

December 30, 2025 ·

Grow Your Own Crystal Hearts

Crafts· Holidays· Kid's Projects· Valentine's Day· Valentine's Day Crafts

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This post may contain affiliate links. See my disclosure policy for more details.

We are a science-y family.  We love anything that involves experimenting. We love growing borax crystals so we decided to play around with Valentine’s Day themed crystals over the weekend.  

You can grow your own Crystal Hearts too by following these simple steps!

You can grow your own crystal hearts too by following these simple steps! via createcraftlovel.com

First, the important stuff.  Children should be monitored closely when dealing with chemicals.  These are NOT edible.  I repeat, NOT EDIBLE.

Here’s what you need to grow your own Crystal Hearts!

  • Borax (Wal-mart carries it by the laundry detergent)
  • Water
  • Pipe cleaners
  • Fishing line
  • Wood skewers
  • Quart size mason jar or large pot
  • Food coloring (optional)

  1. Shape your pipe cleaner into a heart.  Fold pipe cleaner in half.  Then bring the ends together and twist forming the heart.
  2. Attach a piece of fishing line to the heart shaped pipe cleaner.  Hang the heart from the wood skewer over the mason jar.
  3. Boil hot water.  The ratio of water to borax is 3 cups water to 9 tablespoons of borax.
  4. Once water is boiling, add borax. 
  5. Stir until borax is completely dissolved in the water.
  6. Pour mixture into the mason jar.  Be sure the pipe cleaner is not touching the sides or bottom of the jar.
  7. Optional:  If you want to use food coloring, now would be the time to add it to the mixture.  There is no exact amount of food coloring to add.  It will vary from brand to brand.  More is probably better than less.
  8. Allow to sit in mixture over night.
  9. Remove from the mixture.  The crystal will detach easily from the fishing line for a nice clean shape.

You can grow your own crystal hearts too by following these simple steps! via createcraftlovel.com

We did not add any food coloring to these hearts.  I love how you can see the red through the crystals.

The pink heart shown at the beginning of the post is from using red food coloring.

You can grow your own crystal hearts too by following these simple steps! via createcraftlovel.com

Such a fun experiment to do with the kids!

You can grow your own crystal hearts too by following these simple steps! via createcraftlovel.com

You can grow your own crystal hearts too by following these simple steps! via createcraftlovel.com

About Us

We are passionate about sharing simple, fun DIY projects that anyone can tackle—whether you're a seasoned crafter or just getting started. From seasonal décor to everyday crafts, we love inspiring others to make something beautiful with their own two hands.

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