Color flow icing can be used to make detailed icing decorations for cakes. It is sugar, water and a little color flow mix. The design is piped onto a sheet of wax or parchment paper and allowed to dry. The result is a puffy looking flat candy plaque. It is edible but is very hard and sweet.
You can start with any simple design, coloring book photos work well. I outlined this picture, taped it to a baking tray and then covered with parchment paper. I made the color flow icing. The outside of the design is traced with a stiff version of the icing to create a dam to hold in the icing from the next step. Then water is added to the icing to make it more easily "flow" and fill in the outline. Here I have filled in the eyes and nose and outlined the body.
Then I filled in the body.