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.
RomashkaAnother variant of the soviet flower puzzles.
Rota CubesThree cubes in a tetrahedral case. With every move they not only change position but also orientation.
RotopuzzThis hex-shaped, 3x6 Whip-It puzzle is about 72 mm tall.
Rubik's Tower TwisterAnother version of the Sliding Tower in different size, produced under the Rubik's label.
Rusty TowerA remake of the Babylon tower but with bandaged grooves.
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