Ghost Escape Trick (watch video).
The performer displays three cards. Two have pictures of a Haunted House, and one of a Ghost. All the cards have a hole in one corner. The ghost card is placed between the two Haunted Houses, and all three locked together with a key chain. Magician snaps his fingers, and the Ghost has vanished from between the two cards, and appears from the performer's pocket. Easy to do, this comes to you complete with the required cards, Key Chain, Cardboard Wallet for your cards, and complete routine.
Ghost Escape Trick (watch video)