Where can i just get a bag of jappanese erasers?

Okay my birthday is coming up , and i want jappanese erasers they look so neat , anyways i only want to spend around 25$ for my birthday . I was looking at people unboxing their new erasers one girl's just came in a big bag?? dose anyone know a website where i can get one of those i dont want to order a milliooon erasers in my mail. :) thanks ~jesee