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

Dmitry Andreev
Plutoscope 5Five intersecting circles arranged around a rounded pentagon in the center.
ProcyonTwo intersecting circles rotatable in five steps of unequal angle.
RigelTwo intersecting circles but with two concentric circles of pieces per half.

Rigel2A direct successor of Rigel from the same designer.
Rigel3A direct successor of Rigel from the same designer.
Rotascope (transparent with blue digits)A customized Rotascope with blue digits on the transparent tiles.

Rotascope - CustomizedThree customized Rotascopes with themes based on the other hobbies of the customer.
Rotascope - EscherFour customized Rotascope with themes based on famous works of M.C. Escher.
Rotascope - Escher IICustomized Rotascope with a theme based on famous works of M.C. Escher. This time with a non-circular body.

Russian RingsTwo intersecting rings of moving marbles plus two intersecting circles.
SadalmelikSix circles which allow turns of 180�.
ShaulaThree intersecting circles each with three steps and with different distances between the centers. All that with a doctrinaire puzzle.

Shaula 2An unbandaged version of Shaula.
SheliakThree intersecting circles and one plunger moving half of the puzzle in steps of one and two.
Sheliak÷3Three intersecting circles split horizontally by three plungers.


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