How to Make Borax Crystals for Kids

Why is the sky blue?! What’s that sound!? What kind of bug is this?! Kids are full of questions! I LOVE their curiosity and constant desire to learn more about the world around them. There is no better way to entertain your child’s curiosity than through science experiments! If you have never made crystals out of borax, now is the perfect time to learn how! So sit back, relax, and get ready to learn How to Make Borax Crystals for Kids! You will be amazed at how easy it is and wonder why you waited so long to try!

Borax Crystals

Little ones love being scientists! They will be so excited to participate in this experiment!

Why Are Science Experiments Important For Kids?

Growing up science was one of my favorite subjects! I was always so excited to see what experiment we were going to do next!

Supplies needed for making borax crystals.

My love for science is one of the many reasons why I enjoy doing experiments with my children. I remember the excitement and suspense that came with not knowing exactly what was going to happen next!

I see that same excitement in my children’s eyes when we do experiments! They get a wonderful internal motivation to learn and figure out the Science behind what is happening!

Besides being a great motivator for kids’ learning, science experiments have many other benefits!

Pipe cleaners wound into balls hanging from a string.
  • Experiments encourage question asking! They leave kids curious and wanting to learn more!
  • Many life lessons can be learned when performing Science experiments! One of my favorite lessons learned through Science is that it’s okay to be wrong or make a mistake, because that is how we learn and grow!
  • Many experiments come with steps to follow- this is fabulous practice for reading comprehension skills!
  • Working with your child and discussing an experiment helps with language skill development and increases vocabulary!

How To Grow Crystals With Borax:

Powdered borax in a mason jar next to a stainless steel measuring cup.

Materials:

  • 2 cups of water
  • a medium pot to boil water in
  • 1/4 cup Borax laundry detergent booster
  • chenille stem/pipe cleaner
  • scissors
  • wide mouth jar or glass
  • thin string or thread
  • popsicle stick (or craft stick)
  • paper towels (I always like to keep some handy during experiments for quick clean up of any messes!)

*Please note- you will need to increase the amount of materials depending on how many crystals you would like to make! (Double for two, triple for three, quadruple for four, etc…)

Making Borax Crystals in a small mason jar.

Instructions:

Once you have gathered all of your materials, you will need to prepare your chenille stems for growing crystals! To do this twist them individually into stone shapes.

After they have been twisted into the desired shapes, attach a string to each one of them. This will be used to hang the shaped chenille stem into the jar.

Take one jar and fill the bottom with 1/4 cup of borax powder.

Pour the water into a medium pot and bring it to a boil. Slowly and carefully pour two cups of the hot water into the jar.

Allowing Borax Crystals to form in jars.

*Helpful hint! Pour the water slowly and in small increments to allow the temperature of the jar to adjust. This will help to prevent it from cracking!

Stir the mixture until all of the powder is dissolved!

Tie the string attached to the shaped chenille stem onto a craft stick. (The string length should be long enough that the chenille stem will be immersed in the liquid, but short enough that it does not touch the bottom of the jar.)

Carefully place the chenille stem into the borax solution and rest the stick on the top of the jar.

Borax Crystals forming onto a balled up pipe cleaner in a clear mason jar.

As the mixture cools the crystals will begin to form. You will begin to see crystals growing after about two hours. Leave the crystals undisturbed for about 24 hours for best results!

Remove the crystals from the jar and set out to dry completely. Trim the string, or leave it on if you want to hang your crystals!

Great job! Now you’re an expert at making crystals with borax!

Grab a magnifying glass your for child and watch as little eyes are mesmerized by the newly formed crystals!

Borax Crystals on a purple background.

Other Ideas For Growing Borax Crystals:

  • Use this opportunity to talk about the scientific method! Your children will love formulating questions and predictions, and making observations! Let your child make up their own question and prediction about what will happen! Here are some possible questions: How long does it take to grow borax crystals? How large do borax crystals grow? What happens if I add food coloring to the borax solution?
  • Whether it is winter, spring, summer, or fall, science experiments are perfect for any time of the year! This Borax Crystals science project can be a great addition to any party or celebration you have involving kids! Just pick chenille stem colors that match the theme of your party!
  • Experiment with making different shaped crystal formations! Allow your child to make their own shape instead of a stone. Borax crystal snowflakes would be a great winter activity!

Planning for a Color theme? We’ve done all the work for you!

We now have interactive thematic lesson plans for preschoolers (3-5 years)! Get ready for fun and learning with unit lesson plans for your Color theme. Explore a variety of themed hands-on activities! Easy to follow lesson plans include activity modifications and adaptations to meet the needs of all learners. For more information, click on the graphics below:

Color Preschool Lesson Plans
Color Preschool Lesson Plans
How to Grow Borax Crystals Science Experiment

Other Science Experiments:

Check out these other awesome Science Experiments for more hands-on fun and learning!

Keep your kids learning with a tin can telephone lesson on sound wave science! Hands-on science is the best way to get scientific concepts to stick!
Make galaxy slime using this classic Borax powder slime recipe. Kids will love creating their own universe of slime with this simple slime recipe.
Little ones can do science too! These preschool science experiments are the perfect experiments to start learning science at the preschool level.
Rainbow Soda and mentos Science Experiments for kindergarten

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