This system consists of:

Party Star Tap,
box of 10 large 16 grams CO2 bulbs,
4 -- 5-liter kegs,
4 -- reusable bungs,
Party Keg Brush,
Keg Lube,

Each CO2 bulb should be able to dispense 1 to 2 of the 5-liter kegs.
The four kegs will hold a 5-gallon batch of beer.
Keg must be stored up-right.