100 yen shops are a type of store that sells a variety of products for 100 yen (100 yen plus 5 percent consumption tax). They sell processed foods, cosmetic accessories, tableware, cookware, commodities such as batteries and stationary.For your reference, here is a very great Youtube movie on 100 yen shop: http://youtu.be/ZEb0b1GEaE8My recommended Top 3 Bes...
100 yen is 0.72 euro, which is near 1 euro. This type of stores is very prominent around the world; in Europe, we have '1 euro stores' but we don't pay any consumption tax. I reckon they're very good alternatives to big retailers and they allow you to buy bare essentials at a symbolic price.