LEGO Tic-Tac-Toe Player
Description:
It is not a Deep Blue who can beat Garry Kasparov, it is just a small tic-tac-toe player which was made for fun in 2002 (maybe 2001).

Keyword:
RCX, gaming, NQC
Hardward:
LEGO RCX, LEGO bricks
Software:
NQC (I used NQC instead of ROLOLAB because NQC is good in manipulating variables)
Further Information:
Chinese version is available at ROBOTDIY.