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Other N-Sided: Four
Tetrahedron (Halpern-Meier-Tetrahedron)Another custom Skewb mod by Tony Fisher with a complicated history.
TetraStar (aka 24-Tetrahedron)A tetrahedral version of the Little Chop which is also known as 24-Cube.
Think Puzzles PyraminxA Pyramorphix which package does not mention this name. A high quality 2x2x2 production by Mefferts.

Toblerone PyraminxOne of the very few Pyraminxes with advertisement.
TriangulumA Starminx in shape of a tetrahedron. It was designed from scratch.
TribulusMorphixA puzzle in shape of the Tribulus but made from a Mastermorphix aka 3x3x3.

UltramorphixA 5x5x5 modified into a truly tetrahedral shape.
V7 TetrahedronThe tetrahedral variant of the 7x7x7.
Void PyraminxA Pyraminx with a hole.

Void Pyraminx DuoA Pyraminx duo with removed centers and then inner parts stickered.
Windmill TetraA Windmill Cube transformed into the shape of a tetrahedron.

XenomorphixA tetrahedron made from a 3x3x3. This one was "fishered". Means: Its axis system was twisted by 45° inside its solid.
Xenopix (Sharp Edges 580002000)A 3x3x3 truncated on four edges and afterwards extended. The result has four sides but looks like a pressed tetrahedron.

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Rubik's 360
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On Sale:
Eastsheen 5x5x5 (Dome)
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