Screw EnigmaEngel's Enigma with an additional dimension because of a screw like mechanism.
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.
Side ViewMechanically this is a simple puzzle with four intersecting circles. Innovative is the fact that one can only see the side of the pieces which is still enough to solve it.
SiriusTwo intersecting circles with 147 pieces, named after the brightest binary star system on the sky.
Slice RuleThree plungers and one circle intersect and make 15 pieces move around.
Slide 11 DiskOne plunger and one rotation (with an odd number of pieces) used to move thirteen pieces.
Slide Rule DuelA puzzle with two or three circles and a plunger which can exchange pieces between the circles.
Sliderblox 2Four plungers in two sets intersect orthogonally.
Snow MysteryA mass produced derivate of Tricky Disky. This is a very easy one because each column consists of only 2 pieces.
Soviet GlobeA derivate of the Hungarian Globe, but produced in the soviet union.
Sphere XYZTwo intersecting tracks of tiles bisected by a single twistable slice.
Suhail 5Two intersecting circles with steps of 72° and 60° and different radii.