Skewb

The skewb is like a Rubik's Cube without the cross, or a Rubik's Cube with only the centers and corners. - Modifications: The Skewb Ultimate is a skewb but shaped in a pentahedron, and with 12 sides. The Ivy Cube is like a pyraminx without the tips, or a skewb with half of its corners removed. - World Record History: