A collection depicting my preferred list of cubes for first timers.
2X2X2
3X3X3
Latch Cube
A 3x3x3 with innovatively restricted movements.
Sudoku Cube
A cube covered with sudoku-themed stickers.
4X4X4
5X5X5
CUBE (SHAPE PRESERVING)
Curvy Copter
A variation on the Helicopter Cube that uses curved cuts to reveal the otherwise hidden centerpieces.
Skewb
The deepcut corner turning cube.
CUBE (SHAPE CHANGING)
Bump Cube
The Bump Cube is a simple 3x3x3 Rubik's cube, but with an interesting twist. It spawned a whole series of puzzles and created a verb of its own.
DODECAHEDRON
Spiral Megaminx
Sticker mod for Megaminx what visualize the orientation of the center pieces (Super cube)
FOUR