The 4x4x4 Rubik’s cube is also known as Rubik’s Revenge. The 4x4x4 speed cube is a great upgrade, once you’ve mastered the 3×3 Rubik’s Cube. It is made of safe ABS material and anti-slip matte stickers. Studies have shown that people who cube frequently have better critical thinking and problem-solving skills. It also makes for a good stress reliever. This is a great gift idea for kids and adults who are already familiar with the 3×3 speed cube. It is a suitable gift for any occasion.
