Flower copter skewbThis puzzle combines the curvy copter skewb and the flower copter and thereby make an impressive jumbling puzzle even more complex.
Flower copter skewb extremeA corner and edge turning cube that combines the cuts of the "Flower copter skewb plus v2" and the "Flower copter skewb stars"
Fractured Curvy Copter IIIThe Curvy Copter III with a set of additional cuts usable only for jumbling turns. Third in a series of five.
Gap CubeA variant of Polo Gear Cube. The inventor removed one tooth on every face.
Gear Ball In A CubeA mass produced Gear Cube truncated into a sphere. The corner pieces were subsequently replaced with pieces giving the puzzle the look of a 2x2x2 with holes.
Geared 1x1x4A 1x1x4 with pieces connected by different gearing ratios.
Geared Redi CubeA puzzle which looks like a Redi Cube but uses gears to force a synchronized move.