Twiddler - Tri-PlexedThree intersecting circles. Comes with a additional pieces to determine the solved configuration.
Two by TwoA custom made smaller version of Tsukuda Square
Two DiamondsThree plungers (two vertical, one horizontally) each moving six pieces.
UriblockSlide puzzle related to Rubik's XV and Tsukuda's Square.
Vario DiskyThis Mind Maze/Tricky Disky-like puzzle has four wings and eight colours.
Vertushka-2 A handmade 2D-puzzle with rotaging circles.
VitrailTwo circles can rotate in multiples of 30°. A jumbling puzzle.
Whirligig Plate 9 CirclesNine circles version. Apart from the basic solution, there are other patterns that can be made with the colours.