construction paper

US /kənˈstrʌk.ʃən ˌpeɪ.pər/
UK /kənˈstrʌk.ʃən ˌpeɪ.pər/
"construction paper" picture
1.

a heavy, coarse paper, typically in various colors, used for crafts and art projects, especially by children

:
The children used red construction paper to make heart shapes.
We need more blue construction paper for the school project.