This New York Times Magazine online story about a new generation of artisan _Ame Zaiku_ includes a 1 minute video to show the artist making a goldfish from a lump of MizuAme. It gives new meaning to the expression, "eye candy"!
https://www.nytimes.com/2018/08/17/t-magazine/amezaiku-candy-japan.html
On a related subject, there is an article about how to make sweets in the 19th century, https://www.atlasobscura.com/articles/wagashi-design