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

Half Truncated DominoA 2x3x3 truncated on four corners just like the Half-Truncated Cube.
Hamburger CubeA 2x3x3 in shape of a hamburger.
Handbook of cubic MathThe best book yet written - or likely to be written - on the wonders and the dark, unsolved mysteries of the cube.

Helicopter Disdyakis TriacontahedronAn edge turning dodecahedron in shape of a Disdyakis Triacontahedron.
Helicopter Dodecahedron (MF8)This puzzle tries to reimplement the Helicopter Cube in a dodecahedron.
Helicopter SkewbA hybrid of Helicopter cube and Skewb. This puzzle brings jumbling to a new level.

Hello Kitty Cube IIIA variant from 2010.
Heptagon"The Pentagon" with seven-fold symmetry.
Heptagonal PrismA heptagonal prism with 3 layers stacked upon each other.

Hex CubeA Mixup Cube with one middle layer deleted and transformed into a half-regular shape.
Hex Domino Half Black Rainbow PuckA two-layered hexagonal prism in shape of a cylinder and stickered like a rainbow puck.
Hex prism (3 layers)A piece shuffle of the Square-1 in shape of a hexagonal prism.

Hex Prism 3Another hexagonal prism from a 3x3x3. Same diameter as version 2 but larger height.
Hex-2A handmade Square-2 truncated into the shape of a hexagonal dipyramid.
Hexagon Rhombic dodecahedron 2x2x2An incomplete 2x2x2 rhombic dodecahedron.

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