Kidfriendly Color Dye, Washable, Non-toxic Water Tablets Kidfriendly Color Dye, Washable, Non-toxic Water Tablets Kids love these non-toxic dye tablets! They will love watching them fizz when they are dropped into water. The tablets will slowly turn the water red, blue, or yellow. Mix the colors together to get your secondary colors: green, orange, and purple! These tablets are great for all your color grading and mixing experiments. Includes approximately 30 color tablets