Триизмерен пъзел - Ниво на трудност - 3


Separate the S's and put back together

At the end of the 19th century, Britain experienced a huge puzzle craze.
I managed to pick up a number of the puzzles famous during that period in flea markets, despite their rarity.
Based on these original puzzles from Britain’s famous puzzle period, this is one that we have 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.