Crystal Snowflake ornaments
The teacher next door made this this year and it is so simple: 3 T Borax to 1 cup BOILING water. Mix up as many portions of this concoction as you need in a large glass canning jar or a craft-only large mixing bowl or other heat resistant container. Bend a wire pipe cleaner to form a simple snowflake, tie a piece of string to the pipe cleaner at one end and a pencil or dowel to the other end, and lie the pencil or dowel across the container of Borax/water so that the snowflake is completely submerged and leave it overnight. Voila! In the morning the water will be clear and large crystals will have grown all over the pipe cleaner frame. Simple.
So easy, fun, cheap!
How to Grow a Borax Crystal Snowflake