Photography - Making a homemade camera tripod out of materials you can buy in any country on the planet.
3 Piece of half-inch PVC plastic tube; it can be plumbing or electrical conduit.
Duct tape - This is hard to purchase outside the USA, but I carry, I remove the core to make light.
OR - Electrical tape, somthing you can buy in all countries on planet, I normally pay less than one use dollar per roll.
String or cord