Here is a girl.
She launches a paper aeroplane across the living room and it is fun.
It dips, it swerves, it flies.
It cuts through the air. Delighted, the girl chases along behind.
At last, it lands gently on the rug.
But the game doesn't stop there.
Back to the start she goes and the plane takes off on another flight.
How many times does she do this? Who kno…
