The magnetic card can be used for a variety of card and coin effects. A double thick card that looks like a single card when handled properly, even up close. It contains a very thin and powerful magnet that will easily hold steel core quarters and half dollars, or magnetic coins and shell coins. One effect is this: The card covers the mouth of a drinking glass. A coin is borrowed and tapped against the card and it visually penetrates the card and falls into the glass. In another effect, a nickel is tapped with the card and it changes into a dime or mini nickel. This is a magical accessory and includes just the magnetic card. Detailed routines can be found in many magic books and DVDs. You provide the coin props for routines. Listing is for (2) red Bicycle Poker Size Magnetic Playing Cards. Blue cards listed separately. 2 Poker-size Bicycle Rider Back Magnetic Cards per package. Each magnetic card contains a very powerful, yet extremely thin Neodymium magnet, capable of holding heavy loads like steel core half dollars, steel core quarters, etc. This magnetic card is an expertly crafted double card that can be handled freely right under the spectator's nose! It looks and feels normal. No magnet indentation! No awkwardly thick card! The Neo magnet is stronger than sheet magnetic material found in single thick cards. This is the magnetic playing card you've been looking for! Magnetic Cards are a magic accessory and come with 4 routine suggestions. You can find many full routines in magic books & DVDs. Here are a few things Magnetic Cards can be used for: Coin Penetration Thru A Playing Card into a Drinking Glass--Coin Matrix effects--Haunted Deck--Mentalism Routines. Note: coins are not included.