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

Intersecting circles
Plutoscope 3A variant of the first Plutoscope (5) with three circles.
Plutoscope 4A variant of the first Plutoscope (5.1) with four circles.
Plutoscope 4-2.234The four circled variant of Plutoscope with a new pattern.

Plutoscope 5Five intersecting circles arranged around a rounded pentagon in the center.
Pocket CalendulaThree circles intersecting each other like the Arusloky.
Pocket GeraniumA smaller version of Geranium with three circles in different distances.

Pocket Quatrium PlusThree intersecting circles, rotatable in four steps.
Pocket TetrakiumFive intersecting circles rotatable in four steps with intersections deeper than usual.
Pop and TwistA 2D-puzzle with six axes of rotation and only three orbiting parts per axis.

Pop and Twist 12 ColorA 12 color version of the original Pop and Twist.
Prismatic WheelOne circle with 180° and one with 45°.
Prismatic Wheel PlusOne circle with 120° and one with 45°.

ProcyonTwo intersecting circles rotatable in five steps of unequal angle.
Puzzle Avenger (asian version)This Puzzler was made in Taiwan (not for sale in the U.S.A.)
Puzzler - AvengerRotate each half to scramble or return colours. The most difficult of the three versions.


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