1. Glue with AB first, or 502, and let stand for 10 minutes or more.
2. Wrap the broken part with the same strip-shaped thin metal sheet about 5 cm, and wrap it several times to make it smooth (you can also cut it with canned cola). This is to increase the firmness. Be careful not to cut your hand, but use sandpaper to polish it.
3. Wrap it in colored stickers.