4x4x4     Rubik's Cube
A 4x4x4 Rubik's Cube

The 4x4 Rubik'S Cube is made up of 56 pieces, 8 corner pieces, 24 edge pieces, and 24 center pieces.
The current single solve record is 21.54 seconds by Feliks Zemdegs, and the average of 5 record is 25.53 seconds by Max Park.

Click here for more world records Click here for a brief tutorial on 4x4