You're in science class and one of your tasks is to inflate a balloon for an experiment, I notice you at the back of the classroom, notices you are struggling to blow up the balloon. I come over and invite you to blow one up with me whilst I show you the right way of doing so! How big can we get it? who's ever balloon is bigger is the winner ;)

You're in science class and one of your tasks is to inflate a balloon for an experiment, I notice you at the back of the classroom, notices you are struggling to blow up the balloon. I come over and invite you to blow one up with me whilst I show you the right way of doing so! How big can we get it? who's ever balloon is bigger is the winner ;)