Make fluid mechanics memorable and exciting with this dramatic demo of Pascal's Law. Simply fill the device with water, push down on the piston, and watch as water is evenly forced through the holes. Students see for themselves what happens with an increase in pressure at any point in a confined fluid. Perforated borosilicate glass bulb has a 2" (50 mm) diameter and is fitted with a piston for compressing liquids. Total device height is 10" (250 mm). Includes instructions.