In Japan, there are many local shopping streets called "shotengai(商店街)". The number of shotengai is actually decreasing there days, but there are still lots of amazing shotengai in Japan! Sugamo is one them.
The world of Japanese sweets (wagashi) is enjoyable and sweet not only to kids but also to adults.
Have you worn kimono? I don't think you have unless you have visited Japan. Even for Japanese people, it's not common to wear kimono except for special events. If you want to try kimono, here is what you have to do!
Tokyo Dome is not just a stadium, where you can enjoy baseball games, concerts and exhibitions. Its architecture is stunning as well.