Found another Instruct-ible: Chessboard puzzle
http://www.instructables.com/id/Interlocking-ChessChecker-Board-Puzzle/?ALLSTEPS
Looks like another one of those Christmas projects.
Ray
http://www.instructables.com/id/Interlocking-ChessChecker-Board-Puzzle/?ALLSTEPS
Looks like another one of those Christmas projects.
Ray