Huzzle S & S Puzzle
Based on original puzzles from Britain’s famous puzzle period, this is one that has been successfully revived in its new form. The key word is “twins.” These two linked S-shaped pieces seem simple enough, but freeing them is anything but simple.
Hanayama is a Japanese toy company formed in 1972. They are best known for their "Cast" series of cast metal puzzles which include reproductions of older designs, and new puzzles by designers Oskar van Diventer and Akio Yamamoto. Hanayama rate their puzzles with a difficulty level ranging from 1 to 6. The difficulty increases as the number ascends.