Raduga (Whip-It)Whip-It with four layers and six columns. Made in the former soviet union.
Rainbow CanEasier than the other tiled cans since there is no difficult pattern to find and the pieces of the same colour are interchangeable.
RanzhirAn implementation of Tower of Hanoi with eight pieces.
Ringan - BirdsAnother version of the Ringan. This one features mostly birds and two ground animals.
Ringan - FlowersSix columns of tiles, half three tiles long, the other half four tiles long. With one hole.
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.
RomashkaAnother variant of the soviet flower puzzles.
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