The unprecedented puzzle boom happened in England in 1880, which attracted many curious nobility citizens . At that time, various puzzles were born. Among these puzzles, there was one made of metal and many were charmed by it.
This puzzle is designed by the worldwide puzzle designer NOB. It raises the accuracy of puzzles rapidly with technology and the originality. Moreover, it was produced in a size which is easier to play. This is the origin of our Cast Puzzles.