Is it a watch battery ?
Nope.
is it a toy?
Nope.
Is it a watch battery ?
is it a toy?
it's a magnet.
Entropy, you won the Round 4 which entitles you to making round 6 (see one of th elast posts of round 3 where we decided on it).
What is Bucky/Fullerene ?
Ah thanksA Fullerene/Bucky ball is a shell of 60 carbon atoms.
http://en.wikipedia.org/wiki/Bucky_ball