Meffert’s Pocket Cube
The Meffert’s Pocket Cube mostly resembles a 2×2 on the outside, but it is actually center-shifted so that the smaller 2×2 block can be manipulated with the rest of the cube. This allows for some exotic turning and makes it a more difficult challenge to solve.
The 4-color version comes with purple stickers. The 2-color version comes with red stickers. All versions are in the 4-color version unless otherwise specified.