Rolling OctahedronsThe puzzle consists of 6 identical octahedrons in a grid, each octahedron has 8 differtents colours on it. You can roll the ocatahedron into a vacant space. The object of the puzzle is get the final pattern from any initial.
Rolling pyramidsFifteen tetrahedrons over a grid. The tetrahedrons have to be rolled around to scramble and solve the puzzle.
Rolling pyramids V2Twenty-three tetrahedrons over a grid. The tetrahedrons have to be rolled around to scramble and solve the puzzle.
Rompentrix, the Vertical SmileThis is a subset of the Starminx with two axes, both with a traditional cut and one cut deeper than the origin, in which a rhombus, pentagons and triangles appear.
Rota-RiusTwo very small circles and one plunger with six tiles.
RotaPlusThe Rotascope with the central piece unbandaged.
RotoidFour intersecting circles making up an enhanced version of the Rotascope.
Rotoid PlusFour intersecting circles making up an enhanced version of the Rotascope, with two pieces split up further.
RoundaboutOne rotation with four rings of marbles that can be combined into one continous ring.
Rub el HizbOne circle rotating by 45° plus one plunger to exchange pieces.
Ruby CuboidA Ghost 2x3x4. The second out of a series of three.
Rugby kubeA 2x2x2 (a bumped one) in shape of a rugby ball.
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