My relatively new collection.
Rubik's Revenge (ITC)
Follow up to the Rubik's cube, as shown by its name.
Produced in 1982 and 1983 by Ideal Toy Corporation in Korea, Macau and Hong Kong.
CUBE (SHAPE PRESERVING)
The deepcut corner turning cube.
CUBE (SHAPE CHANGING)
Taking the concept of the Rubik's cube and turning it 45 degrees.
A bumped variant of the Cheese-puzzle. A six segment prism with one layer.
SIAMESE & FUSED