Sometimes I Curl Up In A Ball

Life is a lot of fun for Wombat. There are lots of things he likes to do: shouting at the top of his voice, stepping in circles until he falls over, pulling fun... » 

Life is a lot of fun for Wombat. There are lots of things he likes to do: shouting at the top of his voice, stepping in circles until he falls over, pulling funny faces and getting in a mess. But can you guess what he likes to do best of all? «