Roppongi is a popular neighborhood in Tokyo, with many nightclubs and loved by tourists and Japanese girls searching for foreign men. It is also a cute shop at the Rozengracht in Amsterdam. I've been to both actually, but today I will tell you about the shop in Amsterdam, because that information will probably be more of use to you since Tokyo is not exactly around the corner :)
Roppongi is a nice place for Japan-lovers. They sell all kinds of fun stuff and a bit of food as well. The shop is colorful because of the prints on the walls and the paper lanterns hanging through the shop. The lanterns are funny, their mostly shaped like fish and very colorful and festive. You can buy them here as well. The other stuff they sell are books, clothing, bento boxes, Japanese foods, kitchen supplies for making sushi, tea pots, accessories, traditional sandals en much more. '
Prices aren't cheap but then again, there are not that many places where you can find these things. Maybe in Chinatown, but this is a nice shop and its fun to have a look around when in the neighborhood. read more