Decorate these cardboard boxes any way you want! In heart, circle and other fun shapes, these containers can be used in a variety of craft projects and art activities. Give these do it yourself crafts to kids to have them create their own treasure chests, jewelry boxes and more! 3" - 4 1/2" We recommend using crayons, colored pencils, washable markers, permanent markers, tempera or acrylic paint, sold separately online.