Construction Paper Crayons allow the flexibility to color on a variety of paper types, including craft paper, paper bags, cardboard, light-colored and dark-colored construction paper. Opaque, bright-colored crayons provide complete, brilliant coverage for outstanding project results. Crayons provide true color, no piling, no buildup or no erasing of crayon layers. Point and barrel are strong, durable and long-lasting. Crayons are double-wrapped for added strength with the color name on the label. Certified AP nontoxic crayons are designed for children ages 4 and up.