A model of a 3639 boat is displayed in an exhibit.
A thin blue boat with a sail numbered 3639 is indoors and people are looking at it.
A woman is talking to a group and pointing to an airplane tail with the number 3639 on it.
A small, slender boat with a sail numbered 3639 is being viewed by some people.
An ice glider with a sail and the number 3639 on it