1x1x2 RoadblockAlthough it tries to look like a 1x1x2 this puzzle is a 1x2x3.
1x2x3A very simplistic cuboid but a must for completionists.
1x2x3 (round)This wonderful custom built puzzle was created from scratch.
Circle 1x2x3A 1x2x3 with circles in the small faces. This doesn't change the puzzle but looks fascinating.
Micro 1x2x3A 1x2x3 with 6 mm cubies, making it the smallest ever made.
Ozo 1x2x3 BearAn easy puzzle in a "cute" shape. Definitely a matter of taste!