Borax Crystal Snowflake Experiment!

Borax Crystal Snowflakes.

Borax Crystal Snowflakes.  My oldest boy made this one all by himself (just with supervision with the Borax though).  That is how easy this is to do!!  Sadly he got a little excited with the scissors and chopped one arm off too short – but we still thought it was just absolutely beautiful and FASCINATING!!!




My boys just LOVE science experiments, and to be honest I REALLY do too!!  So much fun seeing what happens and so many learning opportunities available too!

A couple of years back my 4-year-old son was asking me about crystals and how they grow, what they are made of, etc. so we decided to grow borax crystals and learn more about them for ourselves!!

These are a gorgeous Christmas Activity too, as we made ours around a snowflake shape!  They turned out so well and formed far faster than I ever thought they would!!  We literally made it in the morning and it already had crystals that very afternoon, it would be best to leave it overnight I think personally, but it is great as you see gorgeous results FAST!!!!

What You Need to Make Borax Crystal Snowflakes

For this project you will need: borax, which is sold as a laundry booster and cleaner, and a pipe cleaner. You’ll also need hot water, a cup or glass, scissors, and a measuring spoon.

Make the Snowflake Shape

Make the snowflake by cutting a pipe cleaner into three pieces. You can use a coloured pipe cleaner if you want a coloured crystal snowflake. Twist the pieces together at their centres and bend the ends outward to make a snowflake shape. Trim the snowflake so that it will fit inside your cup. I like to leave one arm long so that I can hang the snowflake in the cup.

Mix the Crystal Growing Solution

Stir 3 tablespoons of borax into 1 cup of very hot water. It’s fine if there is a little undissolved borax. Pour the crystal growing solution into the cup, hang the snowflake so that it doesn’t touch the sides or bottom of the container, and allow the crystals to grow undisturbed for several hours or overnight.

Use Your Borax Crystal Snowflake for Decoration

Remove the borax crystal snowflake and use it however you like. The snowflakes make pretty decorations.

This was SUCH a cheap and easy science experiment and opportunity for learning and we ended up with a gorgeous little snowflake at the end to feel and look at too!

Next time I want to try and make this shaped snowflake and make gorgeous Christmas Decorations!!!

Next time I want to try to make this shaped snowflake and make gorgeous Christmas Decorations!!!

How does it work?
Now all we did was put a bunch of pipe cleaners that had been twisted into a snowflake shape into a solution of borax and water. How in the world did it turn into this beautiful crystal snowflake?
When we mixed the borax in with the water, we created a suspension. A suspension is a mixture that contains solid particles large enough to settle out. By mixing the borax into hot water, instead of room temperature or cold water, the borax stays suspended longer within the water.
As the borax begins to settle out, or sediment, it begins to crystallize. You’ll see this crystallization on both the bottom of the jar and, you got it, on your snowflake. The borax continues to sediment on top of the snowflake and on top of other borax crystals until you pull it out of the water the next morning.

Click on the link below to print this fun experiment out to try it for yourself!! 

Borax Crystal Snowflakes

Have fun CRYSTALLISING this learning about science!!  😉

Much love,



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