You will need:
2 silver pipe cleaners
3 blue pipe cleaners
(Or whatever colours you prefer)
Cut the two silver pipe cleaners in half. Put one piece aside so you have 3. Twist these three pieces together in the centre so that you have a shape with six points (look at the photo above for help with this).
Cut the blue pipe cleaners in half and then in half again. You will have 12 pieces. Twist these on to the silver base to decorate your snowflake.
If you want to hang your snowflake, take the piece of silver pipe cleaner you put aside, fold in half and twist the ends to one of the snowflake points to make a loop.