On the back of your paper, make a square pattern of nine dots like below. The puzzle is - can you connect all nine dots with only 4 straight lines going through each dot only once? That's the only rule - connect all nine using 4 straight lines through each dot only once. Try it and if you reach a dead end, start over. Just keeping making another set of dots and trying until you solve it or give up.
Then <click here> for the solution.
