Kohls
Any lingerie shop like victoria's secret.
Any shop that sells bras.
Littlest Pet Shop and LEGO's
There may be some on this site. Here is one: A man was looking for bras for his wife and was overwhelmed at the sheer number of bras in the shop. So he asked for assistance. The shop keeper said they only had 3 denominations of bras. He said you could think of them like Catholics, the Salvation Army, and the Baptists. "You see, the Catholic bras are for the masses, the Salvation Army bras help lift the fallen, and the Baptist bras make mountains out of molehills."
To start off for girls (bras) you can start by going to Trafic and after you can go to women shop's once needed. A typical Belgium/french brand is Petit Bataux.
Genie Bra has an online shop on Amazon UK where you can purchase their bras. See the related link below.
The store lanwbryant offers plus size bras on their online website. you can shop online to buy these bras. http://www.lanebryant.com/sexy-plus-size-intimate-apparel/4043/index.cat
Mostly kids shop at Target, Walmart, Abercrombie Kids, Kmart, and Macys
You can purchase Gossard bras from a number of retailers including ASOS, Debenhams, Fig Leaves, Shop Style, Sophia Jenner, Bare Necessities and Amazon.
Emo kids meaning kids that aren't teenagers? A lot of Emo people shot at places like Hot Topc or Spencers, or online.
Anywhere they are sold. You would want to make sure you have good measurements before you shop though. Then, you can choose and take them home. Most panties are not returnable.
shop where you want not where popular kids want too.