Nurse Mousey is working in Happy Hospital's maternity ward when Mrs Zebra comes for her appointment. To everyone's surprise, the scan reveals she is expecting triplets! Readers can use the baby bottle/tub of cream to get involved with the story - feeding the new born babies or treating nappy rash! Nurse Mousey is working in Happy Hospital's maternity ward when Mrs Zebra comes for her appointment. To everyone's surprise, the scan reveals she is expecting triplets! Readers can use the baby bottle/tub of cream to get involved with the story - feeding the new born babies or treating nappy rash!