You have a drilled brass block, a brass screw with a nut, and a steel ball examined. Then you push the screw through the block and secure it with the nut. The steel ball goes on top.
Suddenly, very slowly and in full view, it penetrates the screw and falls out of the bottom of the block!
At the end everything can be examined again.
Nevertheless, there's nothing to add or secretly put aside. Only the items mentioned are used for this precision mechanical trick.
(The deck of cards shown is for size comparison purposes only and is not included in the scope of delivery)
Suddenly, very slowly and in full view, it penetrates the screw and falls out of the bottom of the block!
At the end everything can be examined again.
Nevertheless, there's nothing to add or secretly put aside. Only the items mentioned are used for this precision mechanical trick.
(The deck of cards shown is for size comparison purposes only and is not included in the scope of delivery)
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* applies to deliveries within Germany, delivery times for other countries can be found on the shipping information button
