Excited cardboard boxes

The magician shows the audience a thin colored box, inside of which is another box in a different color. In total, four boxes are nested within each other. The magician inserts a white sheet of paper into the last box and closes all the boxes again, creating a single package. Finally, he opens all the boxes again after a magical gesture and shows that instead of the white sheet, there is a real banknote on the last box.

More ideas: You can transform a blank playing card into a card chosen by the spectator. A sheet of paper turns into a business card. A 2-euro coin becomes a 20-euro bill.