milk + food coloring + dishsoap + toothpick : The fun is in the mixing of colors, but kids can "paint" paper towels afterwards.
Color mixing experiment on the light table using Karo syrup and food coloring diluted with water - Creative Children's Center ≈≈
All u need is mixing bowls, water, glue and food coloring and powder soap
DIY Frosting Chart - Make any color frosting with store bought food coloring
Rosy-Cheeked Snowman - Kids can give a rosy glow to their frosty friends by mixing five drops of red food coloring with a cup of water,
normally, i'm not into food coloring
Mod podge+food coloring+ solar light=Unique Pathway/Stake light. Might try mixing the mod podge w/glow in the dark paint and sprinkle some