"Look! The invisible card you picked from the invisible deck is the only card facing a different way from all the others! Now, please go ahead and examine this deck very carefully."
"I'm going to do a trick for you with these 3 cups and these 3 little balls. At the end of the trick, I am going to try to sneak an orange, a lemon, an apple, and a potato under the cups, and I bet you won't be able to catch me."