Scratch-Off The World. Scratch of a place whenever you visit it, or use this as a teaching tool. Whenever you teach the students about a place, scratch it off! This could also be used to teach students the locations of different places in the world.
Apparently some people are saying this lady's method doesn't work right. I didn't like it while reading it. But would be fun to do. I think there could be other options. Mix the funfetti in a small bit of wax?