This is my current collection of owned twisty puzzles. I can solve each of them.
The first mass produced bandaged 3x3x3.
Official Rubik's Cubes manufactured in the 1990's and 2000's
Toys Tiled Cube
This plain tiled cube suffers from the same lack of quality common to all the "Toys" cubes.
A 3x3x3 with a hole through the center.
This 5cm white plastic cube has painted dots instead of stickers.
CUBE (SHAPE CHANGING)
Taking the concept of the Rubik's cube and turning it 45 degrees.
A 3x3x3 variation built by Katsuhiko Okamoto.
2x2x3 (aka: Slim Tower)
A formerly custom now mass produced 2x2x3 cuboid, commonly known as the "Slim Tower"
Custom made 2x3x3 cuboid, invented by Tony Fisher.
Of this 3x3x3-variant only few examples were produced and sold in the eighties.
This is a newer version of the Megaminx, published by Meffert, with tiles and 12 distinct colors.
A higher-order Pyramorphix. A 3x3x3 transformed into the shape of a tetrahedron.
SIAMESE & FUSED