EnneaminxA puzzle defying all classification systems. The axes are oriented like a corner-turning cube but the possible twists are enhanced in a very unexpected way.
Espera MasterSpanish version of the Diamond Style Puzzler. Came in several different colour variants.
Fancy StoneA Square-1 (more precise: star prism) transformed into a "Half Truncated Elongated hexagonal Dipyramid".
Fire Dragon BallA Pyraminx Crystal truncated into the shape of a truncated icosidodecahedron which is a archimedean solid.
Flattened JewelA 3x3x3 truncated on five corners but still with a high degree of symmetry. One of the rare shapes with eleven sides.
FluoriteA Master Skewb in shape of a Tetrakis hexahedron which is a catalan solid. Additional shallow cuts were added as well to make the four-fold corners turn.
FudballThe dodecahedral cousin of the Doctor Skewb.
FudgidronA face-turning chamfered cube. A fudged puzzle.
FuttminxThe "fudged" cousin of the tuttminx which allows more movements.
Geared KitesA shape variant of the Geared Mixup. It preserves its shape while turning.