CUBE (SHAPE PRESERVING)
The skewb is a very solid and satisfying puzzle to play with.
CUBE (SHAPE CHANGING)
Taking the concept of the Rubik's cube and turning it 45 degrees.
Custom 2x3x3 cuboid, made from a 3x3x3.
Meffert's build-up and truncation of a Skewb into an octahedron.
Pyraminx from Tula
A smaller Pyraminx from Russia with tiles instead of stickers. These brands of Pyraminxes have a bas-relief "stamp" stating in a Russian abbreviation that the price is 3 rubles.
A beautiful (but simple) puzzle closely related to the Dino Cube!
HEADS & OBJECTS
A 2x2x1 puzzle in the shape of Morph from Disney's Treasure Planet.
Cube In Sphere
Cross between Rubik's Cube and Rubik's Sphere. Hand crafted mutation cube.
An attractive little puzzle, possibly related to the legendary Rubik's Cheeze.