The clan passport is a fun thing, the Illinois Saint Andrew Society games have been doing that for a couple of years now. I have two stamps that I use a clan crest, and a fern (our plant badge). I let the kids pick the one they want, they seem to pick the fern a lot because the stamp pad has various bright colored inks. By the way let the kids stamp the passport. The passports brings a lot a of traffic to your tent. Once the kids fill their passport books they get some sort of prize. The kids seem to like it