Danilo created a box that horrifies with a deadly scream when it is opened. In order to scary even people that don't have courage to open it, he created a hydraulic mechanism that can open the box from outside and scary people away. #hackhalloween
Duration: 2 hours
Credits: Danilo Iemini Silva - Creator
Davi Iemini Silva
How To Make It
Get two syringes, glue a straw between it, fill one of them with water. When you push one, it opens the second one.
The hydraulic mechanism
Activate the button
With a box make a small hole in it, glue one syringe in the middle of it and a button just between the syringe and the box.
When the syringe expands it pushes the button.