Plectrum & switchThree circles with six tiles. Some turns are blocked by the inner pieces of every circle.
Plectrum DuplexThree circles with six tiles. Duplicated on two sides with one special move to exchange between the two sides.
Plutoscope 4.2A variant of the first Plutoscope (5.1) with four circles.
Plutoscope 4.3A variant of the first Plutoscope (5.1) with four circles.
Plutoscope 5.1Five intersecting circles arranged around a rounded pentagon in the center.
Pocket GeraniumA smaller version of Geranium with three circles in different distances.
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.