Dye colorful silk items using Kool-Aid drink mixes. The citric acid makes them a permanent dye for animal fibers like silk and wool. They are non-toxic and smell great. quick, easy, fruity fun for all ages! Choose from small silk scarf, silk bag or silk hanky (cost is per piece). Treat the silk, add all the fruity colors you like, and heat set. The colors are washfast and vivid. They make great gifts! Next Class Date: This class is now being offered on a private group basis. Host a Kool-Aid Silk Class for your homeschool group, birthday party or play group. Fun for adults and teens too! Minimum group of 5 with an adult.