TwentySix CubeA 3x3x3 with twentysix tetrahedra instead of twentysix cubies.
Twin CubesThe sliding blocks puzzle as Siamese 2x2x2.
Twin StarsA pair of Siamese 3x3x3's truncated on the not-combined edges.
Twin TetraA 3x3x3 in shape of a triangular dipyramid.
Twindrops 5x5x5A 5x5x5 truncated into a shape which looks like as if one fused two drops.
TwinsA moving hole puzzle with only six pieces and one plunger but still very complex.
Twisted Assembly PuzzleThree 2x2x2s each with additional cubies glued on. In their "solved state" the three puzzles can be assembled into a cuboid.
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