Pencil. Funniest example of cultural differences I've read about: In the space program, NASA needed to develop a pen that could write in zero gravity (Hello Seinfeld fans

). They spent over $1 million to develop said pen. What did the Russians do? Gave their cosmonauts pencils.

Temple of Apshai or Bard's Tale
AZ "Fossil alert" Wolf
[Edit: replied before Whink's reply. Choose either.

]