1 . Frederick William I, the King of Prussia,     1     that his greatest gift to the Russian people would have     2     . This gift was the Amber room, which was given this name because several tons of amber were used to make it. The amber     3     had a beautiful yellow-brown colour like honey. The design of the room was     4     popular in those days. It was also a treasure     5     , which took the country’s artists about ten years to make.