How To Dye Yarn With Kool Aid. Take your time with this. Variegated yarn with multiple colors:
You can then squeeze it around until it's well mixed and place it in the sun for several hours or all day if possible. These colors appeal to children (and adults) when selecting a beverage, but the appeal doesn't end there. Open a packet of kool aid and slowly sprinkle some of the powder on the yarn.
The heat of the microwave will make the dye soak in and bond to the fibers in the yarn.
Open one package of kool aid and sprinkle it on one side of your basin. Pour your dyebath solution over your yarn being careful not to splash since koolaid could stain stuff and ruin your clothes possibly. Repeat with the other colors. Cover your bowl with a paper towel and microwave for 2 minutes.