A rubber band: hook the rubber band with your thumb and forefinger, hook the rubber band with your middle finger when closing, loosen your forefinger, and then hook the rubber band with your forefinger. I'm out. Then put it back in place and keep shaking the rubber band, because it has come out.

Two coins: the magic table is specially made and covered with a layer of black flannel. There is a gap between the upright cup and the inverted cup, just enough for a coin to pass through. There is a small opening on the desktop below the gap between the two cups, and the mechanical device under the desktop can eject coins through this opening. The small opening on the desktop is covered with black flannel, and there is also a small opening for coins to pass through.

The magician used the elastic rubber band in the sleeve to shrink the coin into the sleeve of his left hand to make it disappear, and then explained that he wanted to turn the coin into a cup, so that when the audience focused on the cup, his right hand pointed at the cup, and his left hand quietly put the coin in the sleeve into the slot behind the table. After the coins are put in, the mechanical device in the table is started, and the coins quickly bounce into the cups from the gap between the two cups, forming the effect of changing coins into cups. Here are two identical coins. Dong Qing is a token. (You will understand after watching the third film)

Three eggs: This is actually the simplest one. Dong Qing is the trustee. She has a big loophole here. When the magician asked Dong Qing to choose the second egg, Dong Qing was a little at a loss and asked, Is it a ring? (The omitted content is: That egg? )。 The magician didn't even ask for her ring at this time! This is a little different from their rehearsal (the rehearsal in front of them should be to break two real eggs first). In fact, there are two rings, and the same ring has been in that egg for a long time. This is an artificial egg. The shell of artificial egg is made of calcium carbonate, and the yolk and albumen are made of sodium alginate, alum, gelatin, edible calcium chloride, water and pigment. Just find a custom-made egg. The egg that Dong Qing wants to choose is an egg with a circle inside.

When the magician asked Dong Qing to choose the second egg, he turned up the volume and listened carefully. Dong Qing said blankly, the ring ......