Rubik's Revenge / Master Cube / 4x4x4 Rubik's cube.

Rubik's Revenge - Wikipedia

Rubik 4x4 Master

4x4 EASIEST Method! (Reduction Method)

How to Solve a 4x4x4 Rubik's Cube: 14 Steps (with Pictures)

Rubik's Revenge - Wikipedia

The Rubik’s Cube 4x4 (also known as the Rubik’s Master Cube) is a 4x4x4 version of the classic Rubik’s Cube. The 4x4 Rubik’s Cube is the bigger and bolder version of its 3x3 and 2x2 little brothers.

Rubik's Cube 4x4 Puzzle

How to Solve 4x4x4 Rubik's Revenge Cube: Easiest Best Tutorial only 6 Algorithms in 4K Quality HD

Best 4x4 Cube - Speed Cube Reviews

Rubik's Revenge / Master Cube / 4x4x4 Rubik's cube.

Rubik's Cube 4X4 — Bird in Hand

How to solve the 4x4 Rubik's Cube - Beginner's method

4x4 Rubik's Cube Patterns and Algorithms