How to Make Glass Powder & Glue for Manja: A DIY Guide to Kite String. The video is a DIY guide on how to make manja at home, which is a glass powder and glue mixture used to make kite strings for kite fighting. In Part 1, the process of making glass powder is described, including the materials needed, how to crush glass into a fine powder with safety precautions, and optional ways to add food coloring. In Part 2, the recipe for making glue is shared, including the main ingredients of water and flour, as well as other sticky substances, and how to heat the mixture on a stove. Finally, in Part 3, the process of applying the manja is explained, including choosing the right kite string, rolling it through the glue mixture, coating it with powdered glass, and letting it dry overnight before flying the kite.