With 24 colors of the rainbow at your fingertips, the creativity is endless! Use these crayons for school projects or an arts and crafts day with the family. For a fun effect, each smooth-writing crayon can be blended on its own or with a complementary color for a watercolor effect. The crayons are packaged in a plastic Hello Kitty carrier, and when opened, reveals an art tray to organize other tools you may use during a fun art project.