What you needBaby food jar
Rit powdered dyes
Add the entire package of dye into the clean baby food jar, then fill the jar with the rubbing alcohol. Replace the lid and shake until well mixed.
You may need to experiment with certain colors and especially blending if you want to replicate the same color more than once. Its a good idea to write measurements down.
When you are ready to use it, just pour it onto an old ink pad.