This article is about how to make a cotton candy machine https://www.popsci.com/how-build-your-own-cotton-candy-machine

Have you ever wanted cotton candy but didn’t want to buy it premade? You can make yourself a machine to make cotton candy after buying a pack of cotton sugar.Everone will love you.
This person also made a cotton candy machine

This relates to engineering because it makes a rotating machine to produce delicious food.