Hi Malia!
It's always fun for my kids to hunt for the Kidcot Fun Stop when we reach a different Country. You can usually spot them when you see a buzzing hive of kids gathered around a table...that's where you want to be! During busy times you have to wait a few minutes for your turn, but sometimes you can walk right up.
There is almost always a representative from that Country at the table talking with everyone..sharing their language and customs. My kids LOVE this. At each table they can decorate a mask and the Cast Member will write something on it and include a Country stamp and a little icon doo-dad attached. In the end, the kids get to bring home a mask filled with cool designs and a better understanding of these Countries.
One time, we found the Kidcot Fun Stop in England and Alice in Wonderland was the one at the table! She was just coloring away on her own mask all by herself...my kids were speechless! I've never seen another Character do this, but I've been on the look out ever since!
Epcot does have a Passport for purchase (around $10) that kids can take around for stamps...we've never done this, but I love the idea of your friend making one for your kids. A great souvenir that they can enjoy in the future!