var vtn_player_type = "vp";var ven_video_key="NjA3NDIzfHwxNDcxfHwwfHx8fHx8";var ven_width="660";var ven_height="409";Hoping to be a hit this festive season are the 'Queens of Africa', a Nigerian rival to the classic Barbie doll. Duration: 01:31