[Circuitchef] used gates and a few flip-flops to build a two-player electronic Tic-Tac-Toe game ... The board is arranged in a 3×3 matrix of momentary push buttons and bi-color LEDs.

The New Tic Tac Dough, hosted by Wink Martindale and then Jim Caldwell, aired on CBS daytime in the summer of 1978 and in ...