Where can I get Pandora charms?

Does any one know of a store where i can buy charms for my pandora bracelet that are cheaper than the ones that you buy at pandora?

pandora start at about £20 just be careful that if you buy cheap ones that they are real pandora what is the use in paying all that money for the bracelet and they buying cheap fake charms pay up and be happy Green & Benz are good

the making of glass bead