Paperless, Tic Tac Toe, Naughts and Crosses

If you can never find paper and pencil when you want a game of Tic Tac Toe but you do have a sub to hand then this is the item for you.

The classic time old game but with a twist - with a snap actually.

You use the large frame to mark the skin of a sub with the parallel lines that form the iconic board.

After that you use the O and X frames to mark each turn.