1. The document provides instructions for making a balloon-powered rocket.
2. The materials needed are a balloon, sticky tape, scissors, string, and a plastic drinking straw.
3. The steps include inserting string through the straw, tying one end of the string to an object and the other end 10 meters away, taping the balloon firmly to the straw, blowing up the balloon and releasing it to make the rocket travel along the string.