To make crystal snowflakes with borax, create the shape of a snowflake using a pipe cleaner. Then, make a borax solution by adding borax to boiling water in a jar, and submerge the snowflake shape in it without allowing it to touch the jar's bottom. Leave the crystal submerged overnight, remove it the next day and allow it to dry.
To create the shape of a snowflake, cut a white pipe cleaner into three equal pieces. Assemble the three pieces so that they appear like the spokes of a bicycle tire, and twist them at the center. The snowflake shape should have six sides.
Now, tie a white string towards the tip of one of the arms of the snowflake. Knot the string's other end to a pencil. Keep the string's length such that it allows the snowflake to hang in the jar.
To make the borax mixture, bring 1 cup of water to a boil in a pan, and pour it into a wide-mouthed pint-sized jar. Add 1 tablespoon of borax to the hot water, stir to dissolve it, and then add another tablespoon of borax. Allow the borax to dissolve completely, and then add a third tablespoon. If desired, add some food color to the mixture to make a colored snowflake.
Hang the pipe cleaner snowflake in the mixture by placing the pencil across the jar's mouth. Leave the flake undisturbed overnight. After the crystal snowflake dries, remove the string, and replace it with a fishing line.