You'll need per snowflake:
1 long pipe cleaner, cut into 3 equal lengths
24 beads, with a large hole
twine or ribbon to hang
Bend the 3 pipe cleaners pieces into a star shape as pictured top right
Thread on the beads, I did 4 per 'prong'
Bend the pipe cleaners over at the ends to secure the beads
Add the ribbon or twine to hang
Put on your tree!