| You will be able to tell the spectators which 4 colour discs are in the brass container, and which one is in the bag. |
| | The nut will fit perfectly onto the smaller screw, yet the performer does the impossible and threads it onto either end. Surely that is impossible? |
| | A small aluminium 'bottle' is shown along with a steel ball. The ball is dropped into the small well in the side of the bottle and then the bottle is... |
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