This document provides instructions for building and launching a basic water rocket. It explains that a water rocket is made from a 2-liter soda bottle with a nose cone and fins added. When the bottle is pressurized and launched, Newton's second law causes the expelled water to provide upward thrust, propelling the rocket. Tips are given to increase height and stability, such as using less weight and more pressurized water. The document also shares facts like the world record height of 2723 feet and how water rockets work by pressurizing the bottle space and expelling water instantly.