Note: Our level rating system is different than Hanayama's. Hanayama's level 1 is equivalent to our level 5.... level 6 is equivalent to our level 10.
Based on the originals from the British puzzle craze of the 19th century, we have successfully revived this puzzle in its new form. These two S-shaped pieces may seem uncomplicated, but freeing them is anything but simple.
Hint: Twins
-NOB-