Collaged Cross These cardboard crosses provide a great project starter for your religious themed activities. Paper collage is an easy but effective decorating option and can provide a platform for teaching colour theory to younger children, such as by asking them to choose warm, cool, or complementary colours to decorate their cross. Materials Cardboard CrossesPrinted Foil Kraft Paper Glitter Paper Metallic Pearl FoilMetallic Pattern PaperCraft Glue How to make a Collaged Cross Step 1.Tear up assorted papers. Step 2.Adhere with Zart Craft Glue. Extension Ideas Add washi tape into the mix; draw over the top; stick on sequins, small pom poms, or felt shapes. Alternatively, use Shimmer paint as a base.