"ok i want to know how he did the first 2 tricks"
I'll tell you all the second one.
The second trick requires the use of a flipper coin
. This coin is hinged on the bottom and part of another coin folds out. This gives the appearance of two coins. When a certain action is done, it snaps shut and only a single coin appears. The action can be manual shutting or a jarring motion, such as hitting it from below causing it to jump up (and thus closing).
He made the mistake of giving away that his is using a flipper coin. He lays the coins out, but he adjust one ever so slightly and the other coin moves with it. He gives away that the two coins are actually one - a flipper coin.
He palms a coin in his left, then turns palm up and slaps the table. This reveals the palmed coin and causes the flipper coin to jump up and snap shut.
Illusion complete, except for that one tiny little mistake.