Online since 2002. The most comprehensive site for all around twisty puzzles.

1977
Logic 5An electronic cousin of Mastermind with up to five digits between 0-9.
Rubik's Cube (first batch by Politechnika)The very first batch of the Rubiks Cube, from 1977 produced by Politechnika.
Rubik's Cube (second batch by Politechnika)The second batch of the Politechnika version from 1977.

Rubik's Cube MechanismAn inside look at the classic 3x3 cube.

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