Classic brainteasers by Martin Gardner

By Martin Gardner

A set of brainteasers with illustrations via Jeff Sinclair

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Grasp the ends with the right hand, Figure 7. Then gather the knotted center of the lace into the left hand, Figure 8. ” Blow on the left hand. Then pull the lace out of the left hand. The tangled knot has vanished. Fig. 4 Fig. 5 Fig. 6 Fig. 7 Fig. 8 Elastic Lock The magician twists a rubber band over his fingers. ” He displays another rubber band. Instantly he causes it to penetrate the first rubber band. Method: Have two rubber bands in your left trouser pocket. Remove one band. Place it over the left first finger.

A. ) for short. A. is displayed and stirred with a spoon. The glass is covered with a handkerchief. When the spectator tries to lift the glass, he finds it is too heavy to lift. Method: You will need an ordinary glass, a book and a scarf or handkerchief large enough to cover the apparatus. The handkerchief should be thick enough that no one can see through it. If such an item is not available, a hand towel can be substituted. Place the glass on the book. Stir the imaginary contents with a spoon as you say to the audience, “You’re probably wondering what’s in the glass.

Fig. 9 Fig. 10-A Fig. 10-B Fig. 11 Fig. 12 Fig. 13 Fig. 14 Fig. 15 Mystic Spinner When an object moves in a mysterious manner, it always creates audience interest. In this trick a coin is placed upright on the table. The magician waves his hand over it and the coin suddenly starts to spin. Method: Rub the coin against the sleeve, Figure 16. Tell the audience that this puts energy in the coin. Stand the coin on edge on the table. Hold it in place with the left first finger as shown in Figure 17.

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