Materials

- a cola light bottle of 1,5l (or more)
-  6 mentos or more (for the mad)
- A business card
- A test tube or any empty tube

Process

Very very important advice, Make this idiot experience outside home!!!

1. Open the bottle of cola, put it full on a table or on the floor.
2. Open the mentos packet and put all candies in the tube.
3. Put the business card on the neck of the bottle and return the mentos tube on this tip of cardboard. Make coincide the tube and the neck.
4. do not put your head over to the device. Now its necessary to withdraw the small cardboard.