The puzzles I've owned or currently own
3X3X3
Constrained Cube
Quantity: 1
A 3x3x3 which twisting abilities can be contrained by various pieces. Mass produced versions of seven variants exists.
Latch Cube
Quantity: 1
A 3x3x3 with innovatively restricted movements.
CUBE (SHAPE PRESERVING)
Double Skewb
Quantity: 1
A Skewb combines with an underlying Pyraminx.