In part 2 of the experiment the balloon is weighted to show how much weight the balloon can lift. Tape the paper together to form a tube. Cut one end of the tube that you just formed and shape it into a cone. Tape it so that it holds this shape. Do not leave any holes.
Tape fins to the other end of the tube.
Experiment with different fin designs. Decorate the rocket Remove the pencil and insert the straw. Blow sharply through the straw to launch the rocket. Crafts for kids who are wild about outer space. The glove puppet pop-ups out of the flying saucer.