How To Make Ink. Again a quill or even a paintbrush can give you what you need to use the ink. You can use for example for reds.
If youre working with things like nuts leaves and roots Logan recommends adding 1 cup of plant parts to 2 cups water. If you dont feel like buying a conductive ink heres how to make a pretty good one for around 15 per liter - if you want anything better ours are not tha. Place a coffee filter inside a funnel then the funnel inside a wide-mouth glass jar.
This will produce a thick paste which you can store in a sealed container.
Prussian Blue Ink Step One. It will also help the children understand how some inks are made. Add the vinegar and salt to lock the color in. To make black they used soot and mixed it with egg yolks and honey or they would roast potatoes until they were black and use that powder with oil.