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

Diniar Namdarian
KaleidoscopeA moveable plunger intersecting with a rotating circle.
One Circle - Two Circles24 marbles in 6 colors which can be moved in either one closed loop or twi distinct circles.
Slice RuleThree plungers and one circle intersect and make 15 pieces move around.

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