How to create a rainbow blend with inexpensive markers (water based or alcohol!)
https://thefrugalcrafter.wordpress.com/2019/03/05/how-to-create-a-rainbow-blend-with-inexpensive-markers-water-based-or-alcohol/
— Read on thefrugalcrafter.wordpress.com/2019/03/05/how-to-create-a-rainbow-blend-with-inexpensive-markers-water-based-or-alcohol/