Do you feel like the 3x3 is boring. You've figured it, and now it is about hand-speed and well-lubed joints. Big deal. You want it to be a mental challenge.
The 4x4 takes it up a notch.
From the Manufacturer
The 4x4 requires different moves to solve tha the original 3x3, and it's more challenging!
Squares beware! Theres a new cube in town, and its tough as ever. Not necessarily harder than the original Rubiks Cube, this 4 x 4 version takes different techniques to master. It also comes with international flag decals, and a hints and solutions book. For 1 player.
- Contains: 1 4x4 Rubik's Cube and Solution Hints book.
- 3-D Puzzle
- Another stimulating Rubik's challenge