Twiddler - Quad-RadicalFour intersecting circles. Comes with a additional pieces to determine the solved configuration.
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.
V-SphereSix rings of pieces on a sphere, paired and perpendicular to each other. A puzzle with intersecting rings and one missing piece.
Vario DiskyThis Mind Maze/Tricky Disky-like puzzle has four wings and eight colours.