Online since 2002. Over 3300 puzzles, 2600 worldwide members, and 270,000 messages.

Marvin A. Silbermintz
Calender Rubiks Cube (Japan)Another calendar cube. This one is from the original cube craze and was sold in Japan.
Rubik's Perpetual Calendar - AmericanEnglish version. Sold in the US.
Rubik's Perpetual Calendar - DutchDutch version. "Eeuwigdurende Kalender"

Rubik's Perpetual Calendar - EnglishThe original red and white English version. "Rubik's Calendar"
Rubik's Perpetual Calendar - FrenchFrench version. "Cube Calendrier Universel"
Rubik's Perpetual Calendar - GermanGerman version. "Rubik's Kalender Cube" "Immerwährender Kalender"

Rubik's Perpetual Calendar - LatinLatin version - Custom stickers made by cubesmith

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