Rainbow Loom sales skyrocketed for Ng ... YouTube hits in just over three months for a tutorial on how to make a starburst pattern. A half million of the hits came between Nov. 19 and 24.

If you are a parent of tweens and have not yet heard of Rainbow Loom, congratulations on being a unicorn who can read. Rainbow Loom—a plastic pegboard that comes with a hook, clips, and 600 ...