Because it is a reflection of who they are, and it helps them with there fellings.
Using pointillism, pointillism is very small dots of different colour dotted onto the paper. This artist used very fine dots
The Pfaff 260 was produced in 1960. It was the next to last version of the dial-a-stitch models made by the company.
The contrast of Red and Green side by side will cause retinal fatigue. Here is a source of some very interesting information on color:
http://webexhibits.org/colorart/simultaneous.html
Painted Popsicle sticks can be used in a variety of ways. You can put them in a garden with the names of plants written on them, as labels. You can even just count and sort them by color.