Yes, they are included :)
Just add the chosen add ons' price to your current pledge.
Don't worry, you will be able to note that all the information in your survey after the campaign ends.
Both variants are fine.
It's easier to add your add ons now, to your current pledge, but both variants are perfectly fine :)
The map comes with special sticky tape / double-sided removable adhesive, which will help to attach the map to the wall. The printed step by step instruction will also help during the process.
If you want to remove it from your wall you will need a good hairdryer. Direct air flow between map and wall, wait a bit and step by step remove pieces from the wall. You will need to buy sticky tape again to put it on the wall again.
The adhesive may stick to your wallpaper or to another surface as well.
Here is the list of islands - https://drive.google.com/file/d/1rXXvTk-R_qGyfktHCTbwTOVGVRITGZ2-/view?usp=sharing
Don't see the answer to your question? Ask the project creator directly.