A 3x3x3 with the corners made invisible. Mine does not have the center pieces, truly edges only.
The second of the three different 1980 Ideal U.S. packages.
Official Rubik's Cubes manufactured in the 1990's and 2000's
The original Rubik's cube with different shades of black, grey and white.
A 3x3x3 with a hole through the center.
6X6X6 & UP
The first mass produced 6x6x6. A six layered cube.
The first 7x7x7. A seven layered cube.
CUBE (SHAPE CHANGING)
A 3x3x3 with the cutting planes rotated by 60°.
Taking the concept of the Rubik's cube and turning it 45 degrees.
Tomy's twelve colour 1982 version.
Arrange the ten pieces by breaking them into two groups and putting them back together again.
Starting with all six balls inside the center sphere and the locking rings open, the challenge is to move the balls into their matching coloured domes on the outside.
HEADS & OBJECTS
Probably the most popular tile sliding puzzle ever.
SIAMESE & FUSED
Twist and slide the top face of the cube to move the lights until you reach the solution.