How do you make working model of hydraulic lift?

How do you make working model of hydraulic lift?
Dean1100 Answered First
You could use tap pressure, a connecting pipe and a balloon.

How does hydraulic presses work?

A pump compresses oil in a cylinder with a piston in it. The piston moves a guided plate which does the work. They have two buttons on them to keep your fingers out of them.

Thanks for the feedback!