How about making your own Christmas decorations? Customize these 40 cardboard Christmas ornaments to make your tree absolutely unique It's a fun activity to do with kids to wait for Christmas. These cardboard Christmas ornaments are easy to decorate with paint, glitter, creative paper, rhinestones and hang on the tree with their string. You can also create fun Christmas ornaments by creating little characters with moving eyes for example Box size: 24.5 x 24.5 x 12.5 cm. 2 sizes of Christmas ornaments: 16 x diameter 6 cm and 24 x diameter 5 cm. The cardboard or paper mache supports are handmade from old recycled newspapers.