Twisting Puzzles
Extended Cube 3x4x4

Extended Cube 3x4x4

Extended cubes are made by gluing extra cubies onto layers of the cube. In this case, two adjacent faces consist of two layers stuck together. The puzzle changes shape when you scramble it.

You solve the extended cube just like you do the standard 3x3x3. The one in the picture is is of a reasonable quality and is quite pleasing to solve.