I love Dia de los Muertos. I love Halloween. And just like all the other interesting people* I was once goth. That is why I'm in love with these next two items from Ms Formaldehyde.
Residing in San Diego, CA, Ms Formaldehyde specializes in "carved skulls, sugar skulls, gothic, voodoo, glitter fashion, lowbrow, lolita pin up and dita burlesque accessories" (that's quoted from her profile). If you're not into any of those things, she also has a lot of color in her shop to choose from.
On the opposite end of the spectrum we have these Hello Kitty bobby pins that Daughter would adore. They are very cute and I don't think you need to be 5 to adore them. Or wear them.
Along with her Etsy shop, Ms Formaldehyde has a blog where you can read about what she's up to and other great shops.
*I know interesting people who weren't goth, but being goth definitely increases your odds of being interesting.