These Sharpie dyed tile coasters are SO BEAUTIFUL and they're really easy! Wouldn't they make a thoughtful homemade gift idea? No one would ever guess how simple they are to make! (How To Make Bracelets Christmas Gifts)
Easier, cheaper alcohol inks and dyes - use a cheap small spray bottle - mix KoolAid or food color or easter dye or RIT dye with rubbing alcohol. Intensity of color depends on amount of your preferred additive. I tried it and it works.