Kashiya Yokocho (菓子屋横丁) is the famous sweet district next to Kurazukuri strip. It used to produce many sweets to Tokyo. These days they still produce many sweets. It was chosen as 100 best flavor spots of Japan. Mostly sweets produced here are for Dagashiya which is the low price snack shop. Some of the sweets are same form and taste for half- century. The sweets are not traditional, but you can enjoy the sweets of 50s here.
There are dozens of sweets shops. Most of the sweets are hot and fresh. All of the sweets are very low price. 1,000 yen (app. 10USD) are enough to get eat all sweets you want.