How Have Felt Tip Pens Changed? - Chromatography Explores Chromatography Today
-
By A Mystery Man Writer
-
-
4.8(530)
Product Description
There are many different types of marker pens that we use today. Cheap kid’s felt-tips for colouring in. Permanent markers for labelling stone, glass or plastic and dry-erase markers for writing
COLORFUL CHROMATOGRAPHY: With the simple technique of paper chromatography, kids can explore the hidden colors in markers and other coloring