The main idea of the article is about creating fish scale earrings using polymer clay to resemble a mermaid. The article focuses on the process of making these earrings, which involve using polymer clay in various colors and rolling them into thin sheets. The sheets are then cut into scales and applied to earring bases. The end result is a pair of unique and vibrant earrings that resemble fish scales and evoke the mythical beauty of mermaids. The article captures the essence of this process in less than 80 words.