Unicycle

A unicycle has only one wheel.

I know a girl who can ride a unicycle.

I rode a unicycle today.

A unicycle has one wheel.

Tom knows a boy who can ride a unicycle.

Riding a unicycle is one thing I'm not very good at.

When was the last time you saw Tom ride a unicycle?

The girl is trying to ride on just one wheel. Her small vehicle is called a unicycle.

"What skills do you have?" "Well, hmm, I know how to play the digeridoo on a unicycle."

Tom wants a unicycle.