Instructions
1. Blow up a balloon - make sure that you don't blow it up too large. Refer to the pictures above.
2. Tie the balloon. Holding the balloon at the tied end, carefully push the wooden skewer through the opposite side. You should push the skewer through the centre of the darkest part of the end of the balloon, i.e. where the balloon is least stretched, opposite the tied end. You may have to try it a few times to get it right but with practice you should be able get the skewer through most times.
3. Now push the skewer through to the tied end of the balloon and gently push the skewer point all the way through. Show it to your class, they'll love it!
4. Now, they have to work out why you can do it
