I need help please i bought the blender it is not come i send the message its not sent me back, its

[yob-2013]

It's not good seller. I see this seller face back it not good. 3 weeks now i didn't receive the blender, i need my money back with interest, because its take  long , thank you 

[*guinevere*]

You will get your money back by opening a Not Received dispute Resolution Centre

You won't get any interest on it however.