How to make a tea bag fly Flying tea bags at home Safety precautions Observe safety rules when working with fire. Conduct the experiment away from flammable objects and liquids. Equipment tea bag; scissors; lighter; bowl. Step-by-step instructions Cut the tea bag with scissors, pour the contents into a clean bowl, and unfold the bag. Don’t throw the tea out – you can still brew it! Position the empty tea bag vertically and set it on fire. Watch as it burns and floats away. Process description The burning tea bag heats the air around it, which becomes less dense. This leads to a current of warm air that pulls the tea bag up and away.