Mosaic making has never been so easy. No glue is needed and it's not sticky either. You can remove the pieces and put them down again. The innovative easy to stick mosaic pieced will stay on most shinny surfaces like magic. Simply follow the design template provided and make a colorful mosaic picture to hang on your window. Let the sun shine through and turn your window into a world of vibrant colors. It's and easy to do mosaic kit for the whole family. Each kit comes with a template, a 10-1/4 inch square transparent board and pre-cut mosaic pieces. Recommended for ages 7 years and up. Format: Arts & Crafts Supplies