In the middle, a child holds one end of a rope. The other end of the rope is connected to a wooden pole, which supports a sieve. Beneath the sieve are scattered some grains of rice.,It was discovered that the salt stored in this alchemy furnace became exceptionally crystalline. Flowers made with this salt were particularly crispy and after consuming them, one's mind felt clear and thoughts became remarkably sharp.,Su Er, despite being young, ran very fast. As he ran, he turned and made faces at his grandfather, saying, "Old man, this alchemy furnace is a family heirloom, so it will eventually be mine anyway. What difference does it make if I get it sooner or later"。