Pour the last drops out of an empty a soda can.
Crush it – in front of the spectators – and show it around.
Command the can to heal itself – the spectator will see and hear this happen.
Wave your hand over the opening and the hole will seal itself!
Now the can has magically filled itself up.
Open the can with a pfzzt!
Pour the soda in a glass.
Hand everything out to the audience.