Material required
* A matchstick.
* A rubber stopper or a rubber cap from a vial.
* A nail.
Method
* With a nail make a hole through the center of the rubber stopper and ensure that it is as big as the width of the matchstick.
* Fix the matchstick into the hole tightly.
How to play
* Now give at twist to the matchstick and the top will rotate.
* If a bigger or wider cap is used, you will find the top rotating better.
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