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Puck OsirisA puck with eight segments in a triangular shape and the concept of the Bump Cube.
QuadStarQuadStar is a non-shape-shifting jumbling puzzle based on the snub disphenoid, elongated at the four five-way vertices.
QuadrangleA two-layered prism with 120°-turns at the four arms. Even more amazing: It is the first known self-dual puzzle.

Quartolabacus A newly-designed Astrolabacus with four channels of beads instead of two.
Quasi TwistA shape variant of Rocket Twist that demonstrates the pentagonal symmetries of every turn.
Queen Mary's JewelThe first puzzle based on the tetrakis hexahedron, a jumbling only puzzle.

Quirky CubeA puzzle which reminds one of the Square-1 but introduces a whole set of changes to the original set.
Quirky Gem IIA 1x2x2 that allows 60�-turns and eight additional rotations that sometimes jumble and sometimes not.
Quirky Gem IIIThis puzzle not only follows Quirky Gem II. It shares the same axis system although deeper cut and has the dual shape.

Radio Canon (Radiolarian 1.5)A mid-entry in the series of Radiolarians, all face turning icosahedrons.
Radio Chop (Radiolarian 15)The 15th and last entry in the series of Radiolarians, all face turning icosahedrons.
Radio Crystal (Radiolarian 9)The 9th entry in the series of Radiolarians, all face turning icosahedrons.

Radio Cube 3A Radiolarian 3 (a face turning icosahedron) redesigned to have the shape of a cube.
Radio Fathom - (Radiolarian 14)The 14th entry in the series of Radiolarians, all face turning icosahedrons.
Radio Gem - (Radiolarian 13)The 13th entry in the series of Radiolarians, all face turning icosahedrons.


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