Where can I buy clip in hair extentions?

I've been searching everywhere and all I see is stuff on ebay, but my mom wants me to go to a store.

I want something very similar to this:

http://cgi.ebay.com/8-Streak20-Clips-in-...

In black, and other colorful colors.

I live in LA, so it would be nice if it were somewhere nearby. [:

Where can I buy clip in hair extentions?

I just bought some at Target. I'm sure they have them at like, every other store ie: wal-mart, k-mart, walgreens etc. I've seen the cheaper kind at Fashion Bug too. Claires and Icing carry them also. Carpe Diem!