Hairy Henry is a green monster. He's on holiday in London, visiting his cousin, Ben the Clock Monster - he's also called Big Ben! They are on the London Eye, a big wheel in the centre of London. Read what happens next.

If you don't understand a word in this story, double click on it and you will see what it means.

But then the wheel started to go faster and faster.
"Aaagh! I feel sick."
Hairy Henry was usually a green colour, but now he went very pink. He felt very wobbly.

Suddenly one of the people on the ground looked up.
"Look!" he shouted, "a monster! There's a monster on the London Eye." The people screamed and ran away.

"Come on," said Big Ben. "Let's go. There's lots more to see!