This is the colored paper that we used to play with when I was a child. I don't know if it's the same thing. According to the link, it comes in rolls. Ours came, and still comes, in letter-sized sheets and you can buy it in any store that sells school supplies. The colors are bright, and you cut it up and paste it on stuff.





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Note added at 23 mins (2009-11-10 20:24:27 GMT)
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1,270,000 hits for "construction paper" - definitions:

n.
A heavy paper produced in a variety of colors and used in artwork especially for making folded or cutout designs.
http://www.answers.com/topic/construction-paper

Definition: This economical paper comes in a variety of sizes and colors and is suitable for use with paints, crayons, pastels, etc. and in crafting projects.
http://familycrafts.about.com/od/ccrafttermglossary/g/constr...

heavy, colored paper used, as by children in school, for crayon and ink drawings, watercolors, cutouts, etc.
http://www.yourdictionary.com/construction-paper

Wikipedia:
Construction paper or sugar paper is a tougher type of coarse colored paper typically available in large sheets. The texture is slightly rough, and the surface is unfinished. Due to the nature of the source material from which the paper is manufactured, small particles are visible on the paper’s surface.
Picture of different colors of construction paper
The origin of the term sugar paper lies in its use for making bags to contain sugar. It is also related to the "blue paper" used by confectionery bakers from the 17th century England onwards, for example in the baking of Regency ratafia cakes (or macaroons).[1]
[edit] How construction paper is made
Wood chunks and hot water are mixed to form a mushy mixture called pulp. Recycled paper is also added to make the pulp thicker and dye is then added to give it color. Then the pulp mixture is moved over a wire conveyor belt to remove the water and as a result, the pulp becomes less shiny, less mushy and more like paper. The pulp is then moved over big heated barrels where the heat dries up remaining water and the pulp then becomes construction paper. The paper is put into big rolls, where it is sent to a machine called a feeder and is cut into large sheets. The sheets are then cut into smaller pieces and wrapped in plastic to be sold in stores. [1]
The paper is generally used for artistic purposes, by children or by artists and animators. The animated cartoons Blue's Clues and South Park were originally made using construction paper and stop motion. [2]