1. Find a book/CD case and a piece of paper or a tennis racquet and a ball.
2. Put the crumpled up paper on the book/CD case or the ball on the racquet.
3. How many consecutive times you can hit the paper or ball in the air in 30 seconds?
4. If the paper or ball fall off then start counting again from 0.
5. Get someone else to time you for 30 secs.
6. Submit your score using a round number, for example 8.
