What is flat stanely?

Flat Stanley is a fictional character from the children's book "Flat Stanley" by Jeff Brown, first published in 1964. The story follows Stanley Lambchop, a boy who becomes flat after a bulletin board falls on him. This unique condition allows him to be easily mailed and travel around the world, leading to various adventures. The character has inspired a popular educational project where children create their own Flat Stanley figures and send them on journeys to learn about geography and cultures.