Present & Correct
have a copy of the Contact Card Game available."Perhaps tube maps inspired this collectible game, very popular with children and lovers of graphics alike. Originally made in the 70s, designed in London, it's a very simple creation. The 2"x2" cards can be placed in an infinite variety of ways to make the coolest patterns! "
It's boxed and comes with it's original instructions. More information here
.Images copyright Present & Correct.