Dayan Four Cube 3x3 Mods It raised the bar once

It raised the bar once again for 5x5  in 2016

The Dayan Master Skewb is a different implementation of the master skewb

This puzzle uses special black carbon fiber textured black stickers on a stickerless mastermorphix

Another iteration of Oskar Gear puzzles unlike the other where the gears is internal and the middle slice turns as a result of a U or D layer turn

Dayan Four Cube 3x3 Mods It raised the bar onceThe Dayan Four Cube is a combination puzzle of an offset skewb with 4 Dino cuts. It is also called the F Skewb. Timur Ebatyrov is the inventor attributed with the original design. Mathematically, it can also be considered as a TomZ Dino Skewb that is bandaged over half of all face diagonals.