We saw somthing very similar on Facebook this morning and my daughter wanted to try. So I twisted the pipe cleaner and she but on the beads.
We used:
pipe cleaners, order here
beads, order here
I found a similar idea without beads @
http://zingzingtree.com/2014/11/18/pipe-cleaner-christmas-tree-decorations/
She'z Crafty 
Pipe cleaners can be found in silver and gold tinsel as well as chenille of all colors. For the Christmas craft, the best colors to use are the metallics and Christmas colors. The beads cover the pipe cleaners, but the ends will need to be twisted together and made into hangers, so they show.
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