Coloring bitmap sun
Sun can be drawn with very long beams, it underscores how bright the sun shines its rays playfully. And many pointed rays give good image of the sun as a star with a small amount. This image of the sun, there is specific, since the color matches the color of the rays of the sun and the circle object is more like a star or shine. But under certain drawing styles is the sun would be suitable. I think you will be interested to play with coloring or modulation, with the sun asterisk.
Coloring in a raster (pixel) format. If you use a graphics editor such as adobe Photoshop, then using the fill can easily paint a picture. Outlines for coloring perfect to spend some time coloring on the computer. For children this can be fun and not an obsessive study of the work in the graphic editors, and knowledge of the world in different shades and colors.
Coloring can be printed, and then paint.