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

Mefferts
PlatypusAlso called: Jackpot/Platypus/Pyrabix/NGP/Xtreme Puzzle.
Platypus SupremeOriginally introduced under the name "Jackpot Supreme".
Platypus UltimateOriginally introduced under the name "Jackpot Ultimate". Lights up when a side is solved.

Polo Gear CubeA 2x2x2 combined with a special move including gears.
PolymorphinxA mass produced piece shuffle. The pieces of a skewb and a skewb ultimate were exchanged.
Prof. Cube 2018Another 5x5x5 produced without stickers but a black rim.

Professor Cube (grooved tiles)Meffert's 1998 tiled version.
Professor Cube (no white side)Professor Cube. Invented by Udo Krell. This one has no white side. Produced in Hong Kong.

Professor PyraminxFive-layer pyraminx in pillowed tetrahedron shape.
Pyramid (Mefferts)A white pyraminx in a clear plastic package with a strange name on the stickers.
Pyraminx (Bienengraeber)The white Meffert's 1981 version for the german market. This package has a different sticker/seal design.

Pyraminx (board game dice)One of the earliest variants of the Pyraminx.
Pyraminx (Meffert 1979)The original 1979 Meffert version.
Pyraminx (Meffert 1981)The white 1981 Meffert version.


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