With the NUMBERS magic trick, you will pass to your friends and spectators like a prodigy calculator, in fact you will calculate faster than any calculator and this under general amazement and amazement.No technique.Nothing to learn by heart.Very easy, allowing you to focus only on the presentation.Doesn't take up space on you and cards can even fit in your wallet.You receive:Eight special cards printed especially for the tour.A link inside the box to an explanatory video.Level: from beginner to professional.