I have to say. My English is not very good. So I am trying to make it simple and wish you guys can understand :p
buy some Japanese Sakura tea. Pick the flowers from Japanese cherry tree. clean in the warm water. Let flowers dry out by airing( make sure no water anymore) And put them in a bottle with sugar.
You can decorate cakes. Cookies. And make simple herbal tea. :). Wish you like it. Enjoy.
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