Crayola Construction Paper Crayons, Assorted Colors, Set of 16 The unique, patented Crayola Construction Paper Crayon formula allows coloring on all types of paper including craft paper, paper bags, cardboard, light and dark colored construction paper. Provides bright, rich color. AP certified non-toxic. Create fun and vibrant designs with the bold and bright colors Non-toxic formula makes crayons perfect for all ages Economically priced to fit your budget Perfect supplies for the classroom or right at home